722007061557 has 32 divisors (see below), whose sum is σ = 1053573816960. Its totient is φ = 438044805120.

The previous prime is 722007061543. The next prime is 722007061609. The reversal of 722007061557 is 755160700227.

722007061557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722007061557 - 2¹⁵ = 722007028789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722007061057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1783248 + ... + 2150345.

It is an arithmetic number, because the mean of its divisors is an integer number (32924181780).

Almost surely, 2^722007061557 is an apocalyptic number.

It is an amenable number.

722007061557 is a deficient number, since it is larger than the sum of its proper divisors (331566755403).

722007061557 is a wasteful number, since it uses less digits than its factorization.

722007061557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933733.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 722007061557 in words is "seven hundred twenty-two billion, seven million, sixty-one thousand, five hundred fifty-seven".