222470312 has 8 divisors (see below), whose sum is σ = 417131850. Its totient is φ = 111235152.

The previous prime is 222470273. The next prime is 222470321. The reversal of 222470312 is 213074222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 173554276 + 48916036 = 13174^2 + 6994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13904387 + ... + 13904402.

Almost surely, 2^222470312 is an apocalyptic number.

It is an amenable number.

222470312 is a deficient number, since it is larger than the sum of its proper divisors (194661538).

222470312 is a wasteful number, since it uses less digits than its factorization.

222470312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27808795 (or 27808791 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 222470312 is about 14915.4387129578. The cubic root of 222470312 is about 605.9321849706.

The spelling of 222470312 in words is "two hundred twenty-two million, four hundred seventy thousand, three hundred twelve".