22873280 has 28 divisors (see below), whose sum is σ = 54467760. Its totient is φ = 9149184.

The previous prime is 22873273. The next prime is 22873327. The reversal of 22873280 is 8237822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35420 + ... + 36059.

Almost surely, 2^22873280 is an apocalyptic number.

22873280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22873280 is an abundant number, since it is smaller than the sum of its proper divisors (31594480).

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

22873280 is an equidigital number, since it uses as much as digits as its factorization.

22873280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71496 (or 71486 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22873280 is about 4782.6018023666. The cubic root of 22873280 is about 283.8634535023.

The spelling of 22873280 in words is "twenty-two million, eight hundred seventy-three thousand, two hundred eighty".