22871880 has 48 divisors (see below), whose sum is σ = 74334780. Its totient is φ = 6099072.

The previous prime is 22871861. The next prime is 22871887. The reversal of 22871880 is 8817822.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 4356 = 4782^2 + 66^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22871887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31407 + ... + 32126.

Almost surely, 2^22871880 is an apocalyptic number.

22871880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22871880 is an abundant number, since it is smaller than the sum of its proper divisors (51462900).

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

22871880 is a wasteful number, since it uses less digits than its factorization.

22871880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63550 (or 63543 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 22871880 is about 4782.4554362796. The cubic root of 22871880 is about 283.8576619274.

The spelling of 22871880 in words is "twenty-two million, eight hundred seventy-one thousand, eight hundred eighty".