722226756 has 24 divisors (see below), whose sum is σ = 1686580000. Its totient is φ = 240544512.

The previous prime is 722226721. The next prime is 722226761. The reversal of 722226756 is 657622227.

It is a super-2 number, since 2×722226756² = 1043222974164567072, which contains 22 as substring.

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, 9106 + ... + 39081.

Almost surely, 2^722226756 is an apocalyptic number.

It is an amenable number.

722226756 is an abundant number, since it is smaller than the sum of its proper divisors (964353244).

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

722226756 is a wasteful number, since it uses less digits than its factorization.

722226756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49443 (or 49441 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 722226756 is about 26874.2768460846. The cubic root of 722226756 is about 897.2039794175.

The spelling of 722226756 in words is "seven hundred twenty-two million, two hundred twenty-six thousand, seven hundred fifty-six".