722984608 has 12 divisors (see below), whose sum is σ = 1423376010. Its totient is φ = 361492288.

The previous prime is 722984593. The next prime is 722984609. The reversal of 722984608 is 806489227.

It can be written as a sum of positive squares in only one way, i.e., 529552144 + 193432464 = 23012^2 + 13908^2 .

It is not an unprimeable number, because it can be changed into a prime (722984609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11296603 + ... + 11296666.

Almost surely, 2^722984608 is an apocalyptic number.

It is an amenable number.

722984608 is a deficient number, since it is larger than the sum of its proper divisors (700391402).

722984608 is a wasteful number, since it uses less digits than its factorization.

722984608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593279 (or 22593271 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 722984608 is about 26888.3731006545. The cubic root of 722984608 is about 897.5176898203.

The spelling of 722984608 in words is "seven hundred twenty-two million, nine hundred eighty-four thousand, six hundred eight".