22253315220 has 48 divisors (see below), whose sum is σ = 69232537920. Its totient is φ = 5934217248.

The previous prime is 22253315191. The next prime is 22253315321. The reversal of 22253315220 is 2251335222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20604382 + ... + 20605461.

It is an arithmetic number, because the mean of its divisors is an integer number (1442344540).

Almost surely, 2^22253315220 is an apocalyptic number.

22253315220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22253315220 is an abundant number, since it is smaller than the sum of its proper divisors (46979222700).

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

22253315220 is a wasteful number, since it uses less digits than its factorization.

22253315220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41209861 (or 41209853 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 22253315220 in words is "twenty-two billion, two hundred fifty-three million, three hundred fifteen thousand, two hundred twenty".