22516366220 has 24 divisors (see below), whose sum is σ = 47418333984. Its totient is φ = 8981029376.

The previous prime is 22516366211. The next prime is 22516366253. The reversal of 22516366220 is 2266361522.

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, 1587584 + ... + 1601703.

It is an arithmetic number, because the mean of its divisors is an integer number (1975763916).

Almost surely, 2^22516366220 is an apocalyptic number.

22516366220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22516366220 is an abundant number, since it is smaller than the sum of its proper divisors (24901967764).

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

22516366220 is a wasteful number, since it uses less digits than its factorization.

22516366220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189649 (or 3189647 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 22516366220 in words is "twenty-two billion, five hundred sixteen million, three hundred sixty-six thousand, two hundred twenty".