22696231 has 2 divisors, whose sum is σ = 22696232. Its totient is φ = 22696230.

The previous prime is 22696189. The next prime is 22696259. The reversal of 22696231 is 13269622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22696231 - 2⁷ = 22696103 is a prime.

It is a super-2 number, since 2×22696231² = 1030237803210722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22696193 and 22696202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22696291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11348115 + 11348116.

It is an arithmetic number, because the mean of its divisors is an integer number (11348116).

Almost surely, 2^22696231 is an apocalyptic number.

22696231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22696231 is an equidigital number, since it uses as much as digits as its factorization.

22696231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 22696231 is about 4764.0561499630. The cubic root of 22696231 is about 283.1291473126.

The spelling of 22696231 in words is "twenty-two million, six hundred ninety-six thousand, two hundred thirty-one".