222722316 has 72 divisors (see below), whose sum is σ = 572972400. Its totient is φ = 72938880.

The previous prime is 222722303. The next prime is 222722323. The reversal of 222722316 is 613227222.

It is a self number, because there is not a number n which added to its sum of digits gives 222722316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827830 + ... + 828098.

It is an arithmetic number, because the mean of its divisors is an integer number (7957950).

Almost surely, 2^222722316 is an apocalyptic number.

It is an amenable number.

222722316 is an abundant number, since it is smaller than the sum of its proper divisors (350250084).

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

222722316 is a wasteful number, since it uses less digits than its factorization.

222722316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 594 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 222722316 is about 14923.8840788851. The cubic root of 222722316 is about 606.1608892159.

Adding to 222722316 its reverse (613227222), we get a palindrome (835949538).

The spelling of 222722316 in words is "two hundred twenty-two million, seven hundred twenty-two thousand, three hundred sixteen".