22154924 has 24 divisors (see below), whose sum is σ = 43330896. Its totient is φ = 9824000.

The previous prime is 22154887. The next prime is 22154929. The reversal of 22154924 is 42945122.

It is not an unprimeable number, because it can be changed into a prime (22154929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (1805454).

Almost surely, 2^22154924 is an apocalyptic number.

It is an amenable number.

22154924 is a deficient number, since it is larger than the sum of its proper divisors (21175972).

22154924 is a wasteful number, since it uses less digits than its factorization.

22154924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337 (or 12335 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 22154924 is about 4706.9017410607. The cubic root of 22154924 is about 280.8601271934.

The spelling of 22154924 in words is "twenty-two million, one hundred fifty-four thousand, nine hundred twenty-four".