22870605220 has 48 divisors (see below), whose sum is σ = 51282000000. Its totient is φ = 8546985216.

The previous prime is 22870605217. The next prime is 22870605227. The reversal of 22870605220 is 2250607822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22870605227) 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, 558345 + ... + 597904.

It is an arithmetic number, because the mean of its divisors is an integer number (1068375000).

Almost surely, 2^22870605220 is an apocalyptic number.

22870605220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22870605220 is an abundant number, since it is smaller than the sum of its proper divisors (28411394780).

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

22870605220 is a wasteful number, since it uses less digits than its factorization.

22870605220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156324 (or 1156322 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 22870605220 in words is "twenty-two billion, eight hundred seventy million, six hundred five thousand, two hundred twenty".