222213252 has 24 divisors (see below), whose sum is σ = 521189536. Its totient is φ = 73686528.

The previous prime is 222213223. The next prime is 222213253. The reversal of 222213252 is 252312222.

222213252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222213253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45658 + ... + 50289.

Almost surely, 2^222213252 is an apocalyptic number.

It is an amenable number.

222213252 is an abundant number, since it is smaller than the sum of its proper divisors (298976284).

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

222213252 is a wasteful number, since it uses less digits than its factorization.

222213252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96147 (or 96145 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 222213252 is about 14906.8189765624. The cubic root of 222213252 is about 605.6987141800.

Adding to 222213252 its reverse (252312222), we get a palindrome (474525474).

The spelling of 222213252 in words is "two hundred twenty-two million, two hundred thirteen thousand, two hundred fifty-two".