222125228860 has 24 divisors (see below), whose sum is σ = 470991751776. Its totient is φ = 87987468480.

The previous prime is 222125228849. The next prime is 222125228873. The reversal of 222125228860 is 68822521222.

It is a super-2 number, since 2×222125228860² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 53911831 + ... + 53915950.

It is an arithmetic number, because the mean of its divisors is an integer number (19624656324).

Almost surely, 2^222125228860 is an apocalyptic number.

222125228860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222125228860 is an abundant number, since it is smaller than the sum of its proper divisors (248866522916).

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

222125228860 is a wasteful number, since it uses less digits than its factorization.

222125228860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107827893 (or 107827891 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 222125228860 in words is "two hundred twenty-two billion, one hundred twenty-five million, two hundred twenty-eight thousand, eight hundred sixty".