22276880 has 40 divisors (see below), whose sum is σ = 54050112. Its totient is φ = 8522624.

The previous prime is 22276867. The next prime is 22276909. The reversal of 22276880 is 8867222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22276880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4214 + ... + 7893.

Almost surely, 2^22276880 is an apocalyptic number.

22276880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22276880 is an abundant number, since it is smaller than the sum of its proper divisors (31773232).

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

22276880 is a wasteful number, since it uses less digits than its factorization.

22276880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143 (or 12137 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 22276880 is about 4719.8389803043. The cubic root of 22276880 is about 281.3745338211.

The spelling of 22276880 in words is "twenty-two million, two hundred seventy-six thousand, eight hundred eighty".