722963157 has 16 divisors (see below), whose sum is σ = 1102039680. Its totient is φ = 412978752.

The previous prime is 722963123. The next prime is 722963159. The reversal of 722963157 is 751369227.

It is not a de Polignac number, because 722963157 - 2⁶ = 722963093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722963159) 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, 99583 + ... + 106595.

It is an arithmetic number, because the mean of its divisors is an integer number (68877480).

Almost surely, 2^722963157 is an apocalyptic number.

It is an amenable number.

722963157 is a deficient number, since it is larger than the sum of its proper divisors (379076523).

722963157 is a wasteful number, since it uses less digits than its factorization.

722963157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932.

The product of its digits is 158760, while the sum is 42.

The square root of 722963157 is about 26887.9742078127. The cubic root of 722963157 is about 897.5088132632.

The spelling of 722963157 in words is "seven hundred twenty-two million, nine hundred sixty-three thousand, one hundred fifty-seven".