222422312 has 32 divisors (see below), whose sum is σ = 483741120. Its totient is φ = 93899520.

The previous prime is 222422297. The next prime is 222422323. The reversal of 222422312 is 213224222.

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, 25889 + ... + 33392.

It is an arithmetic number, because the mean of its divisors is an integer number (15116910).

Almost surely, 2^222422312 is an apocalyptic number.

It is an amenable number.

222422312 is an abundant number, since it is smaller than the sum of its proper divisors (261318808).

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

222422312 is a wasteful number, since it uses less digits than its factorization.

222422312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59361 (or 59357 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 222422312 is about 14913.8295551478. The cubic root of 222422312 is about 605.8886033699. Note that the first 3 decimals are identical.

Adding to 222422312 its reverse (213224222), we get a palindrome (435646534).

The spelling of 222422312 in words is "two hundred twenty-two million, four hundred twenty-two thousand, three hundred twelve".