Margo Schulter has called 22/19 the minimal minor third. Since it is a good tuning for the godzilla generator in the 11-limit and 13-limit, it can also be called the godzilla third: in godzilla, it serves for both 8/7 and 7/6.

Interval information
Ratio 22/19
Factorization 2 × 11 × 19-1
Monzo [1 0 0 0 1 0 0 -1
Size in cents 253.8049¢
Names minimal minor third,
godzilla third
Color name 19u1o2, nulo 2nd
FJS name [math]\displaystyle{ \text{M2}^{11}_{19} }[/math]
Special properties reduced
Tenney norm (log2 nd) 8.70736
Weil norm (log2 max(n, d)) 8.91886
Wilson norm (sopfr(nd)) 32

[sound info]
Open this interval in xen-calc
See also Gallery of Just Intervals, Interseptimal