722313957 has 16 divisors (see below), whose sum is σ = 993028608. Its totient is φ = 466742640.

The previous prime is 722313953. The next prime is 722313973. The reversal of 722313957 is 759313227.

722313957 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 722313957 - 2² = 722313953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722313953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4473 + ... + 38270.

It is an arithmetic number, because the mean of its divisors is an integer number (62064288).

Almost surely, 2^722313957 is an apocalyptic number.

It is an amenable number.

722313957 is a deficient number, since it is larger than the sum of its proper divisors (270714651).

722313957 is a wasteful number, since it uses less digits than its factorization.

722313957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42920.

The product of its digits is 79380, while the sum is 39.

The square root of 722313957 is about 26875.8991849575. The cubic root of 722313957 is about 897.2400871612.

The spelling of 722313957 in words is "seven hundred twenty-two million, three hundred thirteen thousand, nine hundred fifty-seven".