222298988 has 6 divisors (see below), whose sum is σ = 389023236. Its totient is φ = 111149492.

The previous prime is 222298981. The next prime is 222299023. The reversal of 222298988 is 889892222.

It is not an unprimeable number, because it can be changed into a prime (222298981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787370 + ... + 27787377.

It is an arithmetic number, because the mean of its divisors is an integer number (64837206).

Almost surely, 2^222298988 is an apocalyptic number.

It is an amenable number.

222298988 is a deficient number, since it is larger than the sum of its proper divisors (166724248).

222298988 is a wasteful number, since it uses less digits than its factorization.

222298988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55574751 (or 55574749 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 222298988 is about 14909.6944301350. The cubic root of 222298988 is about 605.7766025855.

The spelling of 222298988 in words is "two hundred twenty-two million, two hundred ninety-eight thousand, nine hundred eighty-eight".