22970687 has 2 divisors, whose sum is σ = 22970688. Its totient is φ = 22970686.

The previous prime is 22970671. The next prime is 22970693. The reversal of 22970687 is 78607922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22970687 - 2⁴ = 22970671 is a prime.

It is a super-2 number, since 2×22970687² = 1055304922503938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22970627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11485343 + 11485344.

It is an arithmetic number, because the mean of its divisors is an integer number (11485344).

Almost surely, 2^22970687 is an apocalyptic number.

22970687 is a deficient number, since it is larger than the sum of its proper divisors (1).

22970687 is an equidigital number, since it uses as much as digits as its factorization.

22970687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 22970687 is about 4792.7744574516. The cubic root of 22970687 is about 284.2658317354.

The spelling of 22970687 in words is "twenty-two million, nine hundred seventy thousand, six hundred eighty-seven".