22905860 has 12 divisors (see below), whose sum is σ = 48102348. Its totient is φ = 9162336.

The previous prime is 22905833. The next prime is 22905863. The reversal of 22905860 is 6850922.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 14622976 = 2878^2 + 3824^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22905863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572627 + ... + 572666.

It is an arithmetic number, because the mean of its divisors is an integer number (4008529).

Almost surely, 2^22905860 is an apocalyptic number.

22905860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22905860 is an abundant number, since it is smaller than the sum of its proper divisors (25196488).

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

22905860 is a wasteful number, since it uses less digits than its factorization.

22905860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145302 (or 1145300 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 22905860 is about 4786.0066861633. The cubic root of 22905860 is about 283.9981650348.

The spelling of 22905860 in words is "twenty-two million, nine hundred five thousand, eight hundred sixty".