222722314728 has 32 divisors (see below), whose sum is σ = 556839178560. Its totient is φ = 74236319360.

The previous prime is 222722314721. The next prime is 222722314741. The reversal of 222722314728 is 827413227222.

It is a self number, because there is not a number n which added to its sum of digits gives 222722314728.

It is not an unprimeable number, because it can be changed into a prime (222722314721) 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, 143308 + ... + 682628.

It is an arithmetic number, because the mean of its divisors is an integer number (17401224330).

Almost surely, 2^222722314728 is an apocalyptic number.

It is an amenable number.

222722314728 is an abundant number, since it is smaller than the sum of its proper divisors (334116863832).

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

222722314728 is a wasteful number, since it uses less digits than its factorization.

222722314728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556537 (or 556533 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The spelling of 222722314728 in words is "two hundred twenty-two billion, seven hundred twenty-two million, three hundred fourteen thousand, seven hundred twenty-eight".