22104870 has 32 divisors (see below), whose sum is σ = 53185248. Its totient is φ = 5879808.

The previous prime is 22104857. The next prime is 22104893. The reversal of 22104870 is 7840122.

It is a self number, because there is not a number n which added to its sum of digits gives 22104870.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (1662039).

Almost surely, 2^22104870 is an apocalyptic number.

22104870 is an abundant number, since it is smaller than the sum of its proper divisors (31080378).

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

22104870 is a wasteful number, since it uses less digits than its factorization.

22104870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 22104870 is about 4701.5816487646. The cubic root of 22104870 is about 280.6484545618.

Adding to 22104870 its reverse (7840122), we get a palindrome (29944992).

The spelling of 22104870 in words is "twenty-two million, one hundred four thousand, eight hundred seventy".