22105924 has 6 divisors (see below), whose sum is σ = 38685374. Its totient is φ = 11052960.

The previous prime is 22105903. The next prime is 22105931. The reversal of 22105924 is 42950122.

It can be written as a sum of positive squares in only one way, i.e., 18232900 + 3873024 = 4270^2 + 1968^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2763237 + ... + 2763244.

Almost surely, 2^22105924 is an apocalyptic number.

It is an amenable number.

22105924 is a deficient number, since it is larger than the sum of its proper divisors (16579450).

22105924 is a wasteful number, since it uses less digits than its factorization.

22105924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526485 (or 5526483 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22105924 is about 4701.6937373674. The cubic root of 22105924 is about 280.6529150988.

The spelling of 22105924 in words is "twenty-two million, one hundred five thousand, nine hundred twenty-four".