22664424 has 32 divisors (see below), whose sum is σ = 58194720. Its totient is φ = 7350336.

The previous prime is 22664423. The next prime is 22664459. The reversal of 22664424 is 42446622.

It is a super-2 number, since 2×22664424² = 1027352230503552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22664391 and 22664400.

It is not an unprimeable number, because it can be changed into a prime (22664423) 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, 11874 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (1818585).

Almost surely, 2^22664424 is an apocalyptic number.

22664424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22664424 is an abundant number, since it is smaller than the sum of its proper divisors (35530296).

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

22664424 is a wasteful number, since it uses less digits than its factorization.

22664424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25569 (or 25565 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 22664424 is about 4760.7167527590. The cubic root of 22664424 is about 282.9968243306.

The spelling of 22664424 in words is "twenty-two million, six hundred sixty-four thousand, four hundred twenty-four".