22579964 has 24 divisors (see below), whose sum is σ = 43542576. Its totient is φ = 10160000.

The previous prime is 22579891. The next prime is 22579967. The reversal of 22579964 is 46997522.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22579967) 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 7 ways as a sum of consecutive naturals, for example, 1904 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (1814274).

Almost surely, 2^22579964 is an apocalyptic number.

It is an amenable number.

22579964 is a deficient number, since it is larger than the sum of its proper divisors (20962612).

22579964 is a wasteful number, since it uses less digits than its factorization.

22579964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 22579964 is about 4751.8379602002. The cubic root of 22579964 is about 282.6448532720.

It can be divided in two parts, 2257 and 9964, that added together give a palindrome (12221).

The spelling of 22579964 in words is "twenty-two million, five hundred seventy-nine thousand, nine hundred sixty-four".