222213234 has 16 divisors (see below), whose sum is σ = 451959840. Its totient is φ = 72815520.

The previous prime is 222213223. The next prime is 222213253. The reversal of 222213234 is 432312222.

It is a self number, because there is not a number n which added to its sum of digits gives 222213234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313507 + ... + 314214.

It is an arithmetic number, because the mean of its divisors is an integer number (28247490).

Almost surely, 2^222213234 is an apocalyptic number.

222213234 is an abundant number, since it is smaller than the sum of its proper divisors (229746606).

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

222213234 is a wasteful number, since it uses less digits than its factorization.

222213234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627785.

The product of its digits is 1152, while the sum is 21.

The square root of 222213234 is about 14906.8183728118. The cubic root of 222213234 is about 605.6986978254.

Adding to 222213234 its reverse (432312222), we get a palindrome (654525456).

The spelling of 222213234 in words is "two hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-four".