22040780 has 24 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 8600960.

The previous prime is 22040773. The next prime is 22040801. The reversal of 22040780 is 8704022.

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, 12620 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^22040780 is an apocalyptic number.

22040780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040780 is an abundant number, since it is smaller than the sum of its proper divisors (25375540).

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

22040780 is a wasteful number, since it uses less digits than its factorization.

22040780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26929 (or 26927 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 22040780 is about 4694.7609097802. The cubic root of 22040780 is about 280.3769582675.

The spelling of 22040780 in words is "twenty-two million, forty thousand, seven hundred eighty".