722516132 has 48 divisors (see below), whose sum is σ = 1409920512. Its totient is φ = 321719040.

The previous prime is 722516129. The next prime is 722516153. The reversal of 722516132 is 231615227.

It is a happy number.

It is a super-2 number, since 2×722516132² = 1044059122000482848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 722516095 and 722516104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842648 + ... + 843504.

It is an arithmetic number, because the mean of its divisors is an integer number (29373344).

Almost surely, 2^722516132 is an apocalyptic number.

It is an amenable number.

722516132 is a deficient number, since it is larger than the sum of its proper divisors (687404380).

722516132 is a wasteful number, since it uses less digits than its factorization.

722516132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1426 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 722516132 is about 26879.6601913045. The cubic root of 722516132 is about 897.3237915720.

The spelling of 722516132 in words is "seven hundred twenty-two million, five hundred sixteen thousand, one hundred thirty-two".