22573965 has 16 divisors (see below), whose sum is σ = 36711936. Its totient is φ = 11841600.

The previous prime is 22573961. The next prime is 22573973. The reversal of 22573965 is 56937522.

It is not a de Polignac number, because 22573965 - 2² = 22573961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22573961) 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 15 ways as a sum of consecutive naturals, for example, 11421 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (2294496).

Almost surely, 2^22573965 is an apocalyptic number.

It is an amenable number.

22573965 is a deficient number, since it is larger than the sum of its proper divisors (14137971).

22573965 is a wasteful number, since it uses less digits than its factorization.

22573965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740.

The product of its digits is 113400, while the sum is 39.

The square root of 22573965 is about 4751.2066888318. The cubic root of 22573965 is about 282.6198202138.

The spelling of 22573965 in words is "twenty-two million, five hundred seventy-three thousand, nine hundred sixty-five".