22164924 has 24 divisors (see below), whose sum is σ = 53117008. Its totient is φ = 7188480.

The previous prime is 22164913. The next prime is 22164931. The reversal of 22164924 is 42946122.

It is a junction number, because it is equal to n+sod(n) for n = 22164891 and 22164900.

It is a congruent number.

It is an unprimeable number.

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, 24517 + ... + 25404.

Almost surely, 2^22164924 is an apocalyptic number.

It is an amenable number.

22164924 is an abundant number, since it is smaller than the sum of its proper divisors (30952084).

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

22164924 is a wasteful number, since it uses less digits than its factorization.

22164924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49965 (or 49963 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 22164924 is about 4707.9638911105. The cubic root of 22164924 is about 280.9023778282.

It can be divided in two parts, 2216 and 4924, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 22164924 in words is "twenty-two million, one hundred sixty-four thousand, nine hundred twenty-four".