22057965 has 24 divisors (see below), whose sum is σ = 38613120. Its totient is φ = 11647584.

The previous prime is 22057963. The next prime is 22057969. The reversal of 22057965 is 56975022.

22057965 is a `hidden beast` number, since 2 + 20 + 579 + 65 = 666.

It is not a de Polignac number, because 22057965 - 2¹ = 22057963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2256 + ... + 7014.

It is an arithmetic number, because the mean of its divisors is an integer number (1608880).

Almost surely, 2^22057965 is an apocalyptic number.

It is an amenable number.

22057965 is a deficient number, since it is larger than the sum of its proper divisors (16555155).

22057965 is a wasteful number, since it uses less digits than its factorization.

22057965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873 (or 4870 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 22057965 is about 4696.5907848140. The cubic root of 22057965 is about 280.4498084768.

It can be divided in two parts, 220 and 57965, that added together give a palindrome (58185).

The spelling of 22057965 in words is "twenty-two million, fifty-seven thousand, nine hundred sixty-five".