22040880 has 40 divisors (see below), whose sum is σ = 68327472. Its totient is φ = 5877504.

The previous prime is 22040869. The next prime is 22040911. The reversal of 22040880 is 8804022.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22040880.

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, 45679 + ... + 46158.

Almost surely, 2^22040880 is an apocalyptic number.

22040880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040880 is an abundant number, since it is smaller than the sum of its proper divisors (46286592).

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

22040880 is a wasteful number, since it uses less digits than its factorization.

22040880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91853 (or 91847 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 22040880 is about 4694.7715599377. The cubic root of 22040880 is about 280.3773822944.

The spelling of 22040880 in words is "twenty-two million, forty thousand, eight hundred eighty".