22906957 has 2 divisors, whose sum is σ = 22906958. Its totient is φ = 22906956.

The previous prime is 22906931. The next prime is 22906967. The reversal of 22906957 is 75960922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14032516 + 8874441 = 3746^2 + 2979^2 .

It is a cyclic number.

It is not a de Polignac number, because 22906957 - 2¹¹ = 22904909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22906967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11453478 + 11453479.

It is an arithmetic number, because the mean of its divisors is an integer number (11453479).

Almost surely, 2^22906957 is an apocalyptic number.

It is an amenable number.

22906957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22906957 is an equidigital number, since it uses as much as digits as its factorization.

22906957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 22906957 is about 4786.1212897293. The cubic root of 22906957 is about 284.0026986783.

The spelling of 22906957 in words is "twenty-two million, nine hundred six thousand, nine hundred fifty-seven".