22224923 has 32 divisors (see below), whose sum is σ = 28188672. Its totient is φ = 17107200.

The previous prime is 22224893. The next prime is 22224941. The reversal of 22224923 is 32942222.

It is a cyclic number.

It is not a de Polignac number, because 22224923 - 2⁶ = 22224859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22224892 and 22224901.

It is not an unprimeable number, because it can be changed into a prime (22224973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304415 + ... + 304487.

It is an arithmetic number, because the mean of its divisors is an integer number (880896).

Almost surely, 2^22224923 is an apocalyptic number.

22224923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22224923 is a deficient number, since it is larger than the sum of its proper divisors (5963749).

22224923 is a wasteful number, since it uses less digits than its factorization.

22224923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its digits is 3456, while the sum is 26.

The square root of 22224923 is about 4714.3316599493. The cubic root of 22224923 is about 281.1556109269.

The spelling of 22224923 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred twenty-three".