722516133 has 16 divisors (see below), whose sum is σ = 1023325056. Its totient is φ = 451875840.

The previous prime is 722516129. The next prime is 722516153. The reversal of 722516133 is 331615227.

It is not a de Polignac number, because 722516133 - 2² = 722516129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722516133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722516153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6916 + ... + 38637.

It is an arithmetic number, because the mean of its divisors is an integer number (63957816).

Almost surely, 2^722516133 is an apocalyptic number.

It is an amenable number.

722516133 is a deficient number, since it is larger than the sum of its proper divisors (300808923).

722516133 is a wasteful number, since it uses less digits than its factorization.

722516133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45884.

The product of its digits is 7560, while the sum is 30.

The square root of 722516133 is about 26879.6602099059. The cubic root of 722516133 is about 897.3237919860.

The spelling of 722516133 in words is "seven hundred twenty-two million, five hundred sixteen thousand, one hundred thirty-three".