22799280 has 160 divisors (see below), whose sum is σ = 82994688. Its totient is φ = 5068800.

The previous prime is 22799269. The next prime is 22799281. The reversal of 22799280 is 8299722.

It is not an unprimeable number, because it can be changed into a prime (22799281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68715 + ... + 69045.

Almost surely, 2^22799280 is an apocalyptic number.

22799280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22799280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41497344).

22799280 is an abundant number, since it is smaller than the sum of its proper divisors (60195408).

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

22799280 is a wasteful number, since it uses less digits than its factorization.

22799280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 22799280 is about 4774.8591602266. The cubic root of 22799280 is about 283.5570029301.

The spelling of 22799280 in words is "twenty-two million, seven hundred ninety-nine thousand, two hundred eighty".