722220456 has 32 divisors (see below), whose sum is σ = 1807892640. Its totient is φ = 240427968.

The previous prime is 722220451. The next prime is 722220461. The reversal of 722220456 is 654022227.

It is an interprime number because it is at equal distance from previous prime (722220451) and next prime (722220461).

It is not an unprimeable number, because it can be changed into a prime (722220451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 231 + ... + 38006.

It is an arithmetic number, because the mean of its divisors is an integer number (56496645).

Almost surely, 2^722220456 is an apocalyptic number.

It is an amenable number.

722220456 is an abundant number, since it is smaller than the sum of its proper divisors (1085672184).

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

722220456 is a wasteful number, since it uses less digits than its factorization.

722220456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39033 (or 39029 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 722220456 is about 26874.1596333727. The cubic root of 722220456 is about 897.2013706332.

The spelling of 722220456 in words is "seven hundred twenty-two million, two hundred twenty thousand, four hundred fifty-six".