722134522564 has 36 divisors (see below), whose sum is σ = 1583141074284. Its totient is φ = 285679590336.

The previous prime is 722134522541. The next prime is 722134522573. The reversal of 722134522564 is 465225431227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 293122622464 + 429011900100 = 541408^2 + 654990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 722134522564.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141703599 + ... + 141708694.

Almost surely, 2^722134522564 is an apocalyptic number.

It is an amenable number.

722134522564 is an abundant number, since it is smaller than the sum of its proper divisors (861006551720).

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

722134522564 is a wasteful number, since it uses less digits than its factorization.

722134522564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283412324 (or 283412315 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The spelling of 722134522564 in words is "seven hundred twenty-two billion, one hundred thirty-four million, five hundred twenty-two thousand, five hundred sixty-four".