22799140 has 48 divisors (see below), whose sum is σ = 58931712. Its totient is φ = 7214976.

The previous prime is 22799137. The next prime is 22799149. The reversal of 22799140 is 4199722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22799096 and 22799105.

It is not an unprimeable number, because it can be changed into a prime (22799149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4444 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^22799140 is an apocalyptic number.

22799140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22799140 is an abundant number, since it is smaller than the sum of its proper divisors (36132572).

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

22799140 is a wasteful number, since it uses less digits than its factorization.

22799140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556 (or 12554 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 22799140 is about 4774.8445000858. The cubic root of 22799140 is about 283.5564225308.

The spelling of 22799140 in words is "twenty-two million, seven hundred ninety-nine thousand, one hundred forty".