22799860 has 12 divisors (see below), whose sum is σ = 47879748. Its totient is φ = 9119936.

The previous prime is 22799801. The next prime is 22799863. The reversal of 22799860 is 6899722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 10381284 = 3524^2 + 3222^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22799863) 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, 569977 + ... + 570016.

It is an arithmetic number, because the mean of its divisors is an integer number (3989979).

Almost surely, 2^22799860 is an apocalyptic number.

22799860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22799860 is an abundant number, since it is smaller than the sum of its proper divisors (25079888).

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

22799860 is a wasteful number, since it uses less digits than its factorization.

22799860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140002 (or 1140000 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 22799860 is about 4774.9198946160. The cubic root of 22799860 is about 283.5594074164.

The spelling of 22799860 in words is "twenty-two million, seven hundred ninety-nine thousand, eight hundred sixty".