222318948 has 12 divisors (see below), whose sum is σ = 518744240. Its totient is φ = 74106312.

The previous prime is 222318923. The next prime is 222318973. The reversal of 222318948 is 849813222.

It is an interprime number because it is at equal distance from previous prime (222318923) and next prime (222318973).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263278 + ... + 9263301.

Almost surely, 2^222318948 is an apocalyptic number.

It is an amenable number.

222318948 is an abundant number, since it is smaller than the sum of its proper divisors (296425292).

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

222318948 is a wasteful number, since it uses less digits than its factorization.

222318948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526586 (or 18526584 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 222318948 is about 14910.3637782584. The cubic root of 222318948 is about 605.7947327312.

The spelling of 222318948 in words is "two hundred twenty-two million, three hundred eighteen thousand, nine hundred forty-eight".