22657965 has 16 divisors (see below), whose sum is σ = 39548736. Its totient is φ = 10985600.

The previous prime is 22657963. The next prime is 22657997. The reversal of 22657965 is 56975622.

It is not a de Polignac number, because 22657965 - 2¹ = 22657963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22657963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68496 + ... + 68825.

It is an arithmetic number, because the mean of its divisors is an integer number (2471796).

Almost surely, 2^22657965 is an apocalyptic number.

It is an amenable number.

22657965 is a deficient number, since it is larger than the sum of its proper divisors (16890771).

22657965 is a wasteful number, since it uses less digits than its factorization.

22657965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137340.

The product of its digits is 226800, while the sum is 42.

The square root of 22657965 is about 4760.0383401817. The cubic root of 22657965 is about 282.9699385800.

The spelling of 22657965 in words is "twenty-two million, six hundred fifty-seven thousand, nine hundred sixty-five".