222512 has 10 divisors (see below), whose sum is σ = 431148. Its totient is φ = 111248.

The previous prime is 222511. The next prime is 222527. The reversal of 222512 is 215222.

It is not an unprimeable number, because it can be changed into a prime (222511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938 + ... + 6969.

2²²²⁵¹² is an apocalyptic number.

It is an amenable number.

222512 is a deficient number, since it is larger than the sum of its proper divisors (208636).

222512 is a wasteful number, since it uses less digits than its factorization.

222512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13909 counting only the distinct ones).

The product of its digits is 80, while the sum is 14.

The square root of 222512 is about 471.7117764059. The cubic root of 222512 is about 60.5970030505.

Adding to 222512 its reverse (215222), we get a palindrome (437734).

The spelling of 222512 in words is "two hundred twenty-two thousand, five hundred twelve".