722525506501552 has 40 divisors (see below), whose sum is σ = 1507586012701664. Its totient is φ = 333471374337024.

The previous prime is 722525506501543. The next prime is 722525506501607. The reversal of 722525506501552 is 255105605525227.

It is a super-2 number, since 2×722525506501552² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 722525506501552.

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, 26133973 + ... + 46130635.

Almost surely, 2^{722525506501552} is an apocalyptic number.

It is an amenable number.

722525506501552 is an abundant number, since it is smaller than the sum of its proper divisors (785060506200112).

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

722525506501552 is a wasteful number, since it uses less digits than its factorization.

722525506501552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170397 (or 20170391 counting only the distinct ones).

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 722525506501552 in words is "seven hundred twenty-two trillion, five hundred twenty-five billion, five hundred six million, five hundred one thousand, five hundred fifty-two".