222427111788 has 54 divisors (see below), whose sum is σ = 654041631516. Its totient is φ = 63550602864.

The previous prime is 222427111717. The next prime is 222427111847. The reversal of 222427111788 is 887111724222.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63044470 + ... + 63047997.

Almost surely, 2^222427111788 is an apocalyptic number.

222427111788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222427111788 is an abundant number, since it is smaller than the sum of its proper divisors (431614519728).

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

222427111788 is a wasteful number, since it uses less digits than its factorization.

222427111788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126092491 (or 126092479 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The spelling of 222427111788 in words is "two hundred twenty-two billion, four hundred twenty-seven million, one hundred eleven thousand, seven hundred eighty-eight".