22429924 has 24 divisors (see below), whose sum is σ = 42940800. Its totient is φ = 10166880.

The previous prime is 22429909. The next prime is 22429931. The reversal of 22429924 is 42992422.

It is a super-4 number, since 4×22429924⁴ (a number of 31 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22429924.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30837 + ... + 31555.

It is an arithmetic number, because the mean of its divisors is an integer number (1789200).

Almost surely, 2^22429924 is an apocalyptic number.

It is an amenable number.

22429924 is a deficient number, since it is larger than the sum of its proper divisors (20510876).

22429924 is a wasteful number, since it uses less digits than its factorization.

22429924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 22429924 is about 4736.0240708848. The cubic root of 22429924 is about 282.0174192415.

The spelling of 22429924 in words is "twenty-two million, four hundred twenty-nine thousand, nine hundred twenty-four".