722416157 has 16 divisors (see below), whose sum is σ = 806208000. Its totient is φ = 644397120.

The previous prime is 722416151. The next prime is 722416169. The reversal of 722416157 is 751614227.

722416157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 722416157 - 2⁴ = 722416141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722416151) 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, 5219 + ... + 38367.

It is an arithmetic number, because the mean of its divisors is an integer number (50388000).

Almost surely, 2^722416157 is an apocalyptic number.

It is an amenable number.

722416157 is a deficient number, since it is larger than the sum of its proper divisors (83791843).

722416157 is a wasteful number, since it uses less digits than its factorization.

722416157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33236.

The product of its digits is 23520, while the sum is 35.

The square root of 722416157 is about 26877.8004494415. The cubic root of 722416157 is about 897.2824019153.

The spelling of 722416157 in words is "seven hundred twenty-two million, four hundred sixteen thousand, one hundred fifty-seven".