722613412 has 12 divisors (see below), whose sum is σ = 1265345536. Its totient is φ = 361086120.

The previous prime is 722613403. The next prime is 722613421. The reversal of 722613412 is 214316227.

It is an interprime number because it is at equal distance from previous prime (722613403) and next prime (722613421).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47664 + ... + 60967.

Almost surely, 2^722613412 is an apocalyptic number.

It is an amenable number.

722613412 is a deficient number, since it is larger than the sum of its proper divisors (542732124).

722613412 is a wasteful number, since it uses less digits than its factorization.

722613412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110298 (or 110296 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 722613412 is about 26881.4696770842. The cubic root of 722613412 is about 897.3640618337.

Adding to 722613412 its reverse (214316227), we get a palindrome (936929639).

The spelling of 722613412 in words is "seven hundred twenty-two million, six hundred thirteen thousand, four hundred twelve".