22315866580 has 48 divisors (see below), whose sum is σ = 54312443136. Its totient is φ = 7543388160.

The previous prime is 22315866577. The next prime is 22315866581. The reversal of 22315866580 is 8566851322.

It is a super-3 number, since 3×22315866580³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22315866580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315866581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112589 + ... + 1132468.

It is an arithmetic number, because the mean of its divisors is an integer number (1131509232).

Almost surely, 2^22315866580 is an apocalyptic number.

22315866580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22315866580 is an abundant number, since it is smaller than the sum of its proper divisors (31996576556).

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

22315866580 is a wasteful number, since it uses less digits than its factorization.

22315866580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245144 (or 2245142 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 22315866580 in words is "twenty-two billion, three hundred fifteen million, eight hundred sixty-six thousand, five hundred eighty".