22879280 has 40 divisors (see below), whose sum is σ = 56326752. Its totient is φ = 8612864.

The previous prime is 22879279. The next prime is 22879291. The reversal of 22879280 is 8297822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22879280² = 1046922906636800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7052 + ... + 9771.

Almost surely, 2^22879280 is an apocalyptic number.

22879280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22879280 is an abundant number, since it is smaller than the sum of its proper divisors (33447472).

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

22879280 is a wasteful number, since it uses less digits than its factorization.

22879280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853 (or 16847 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 22879280 is about 4783.2290348676. The cubic root of 22879280 is about 283.8882718613. Note that the first 3 decimals are identical.

The spelling of 22879280 in words is "twenty-two million, eight hundred seventy-nine thousand, two hundred eighty".