222115252 has 12 divisors (see below), whose sum is σ = 389632320. Its totient is φ = 110791736.

The previous prime is 222115249. The next prime is 222115297. The reversal of 222115252 is 252511222.

It is a congruent number.

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, 64588 + ... + 67939.

It is an arithmetic number, because the mean of its divisors is an integer number (32469360).

Almost surely, 2^222115252 is an apocalyptic number.

It is an amenable number.

222115252 is a deficient number, since it is larger than the sum of its proper divisors (167517068).

222115252 is a wasteful number, since it uses less digits than its factorization.

222115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132950 (or 132948 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 222115252 is about 14903.5315277957. The cubic root of 222115252 is about 605.6096597819.

Adding to 222115252 its reverse (252511222), we get a palindrome (474626474).

The spelling of 222115252 in words is "two hundred twenty-two million, one hundred fifteen thousand, two hundred fifty-two".