222152552 has 8 divisors (see below), whose sum is σ = 416536050. Its totient is φ = 111076272.

The previous prime is 222152527. The next prime is 222152569. The reversal of 222152552 is 255251222.

It can be written as a sum of positive squares in only one way, i.e., 189502756 + 32649796 = 13766^2 + 5714^2 .

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

It is a super-2 number, since 2×222152552² = 98703512720225408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13884527 + ... + 13884542.

Almost surely, 2^222152552 is an apocalyptic number.

It is an amenable number.

222152552 is a deficient number, since it is larger than the sum of its proper divisors (194383498).

222152552 is a wasteful number, since it uses less digits than its factorization.

222152552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27769075 (or 27769071 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 222152552 is about 14904.7828565196. The cubic root of 222152552 is about 605.6435580633.

The spelling of 222152552 in words is "two hundred twenty-two million, one hundred fifty-two thousand, five hundred fifty-two".