722774056 has 8 divisors (see below), whose sum is σ = 1355201370. Its totient is φ = 361387024.

The previous prime is 722774053. The next prime is 722774071. The reversal of 722774056 is 650477227.

It can be written as a sum of positive squares in only one way, i.e., 694322500 + 28451556 = 26350^2 + 5334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×722774056² = 1044804672053382272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722774053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45173371 + ... + 45173386.

Almost surely, 2^722774056 is an apocalyptic number.

It is an amenable number.

722774056 is a deficient number, since it is larger than the sum of its proper divisors (632427314).

722774056 is a wasteful number, since it uses less digits than its factorization.

722774056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90346763 (or 90346759 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 722774056 is about 26884.4575173091. The cubic root of 722774056 is about 897.4305544972.

The spelling of 722774056 in words is "seven hundred twenty-two million, seven hundred seventy-four thousand, fifty-six".