22082585980 has 72 divisors (see below), whose sum is σ = 58094221248. Its totient is φ = 6988770432.

The previous prime is 22082585977. The next prime is 22082585981. The reversal of 22082585980 is 8958528022.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22082585981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853924 + ... + 879403.

It is an arithmetic number, because the mean of its divisors is an integer number (806864184).

Almost surely, 2^22082585980 is an apocalyptic number.

22082585980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22082585980 is an abundant number, since it is smaller than the sum of its proper divisors (36011635268).

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

22082585980 is a wasteful number, since it uses less digits than its factorization.

22082585980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733363 (or 1733354 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 22082585980 in words is "twenty-two billion, eighty-two million, five hundred eighty-five thousand, nine hundred eighty".