22824012 has 24 divisors (see below), whose sum is σ = 53365312. Its totient is φ = 7592400.

The previous prime is 22824007. The next prime is 22824023. The reversal of 22824012 is 21042822.

It is a happy number.

It is a super-2 number, since 2×22824012² = 1041871047552288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22824012.

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, 5187 + ... + 8517.

Almost surely, 2^22824012 is an apocalyptic number.

It is an amenable number.

22824012 is an abundant number, since it is smaller than the sum of its proper divisors (30541300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22824012 is a wasteful number, since it uses less digits than its factorization.

22824012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22824012 is about 4777.4482728754. The cubic root of 22824012 is about 283.6594973585.

Adding to 22824012 its reverse (21042822), we get a palindrome (43866834).

The spelling of 22824012 in words is "twenty-two million, eight hundred twenty-four thousand, twelve".