722634662 has 4 divisors (see below), whose sum is σ = 1083951996. Its totient is φ = 361317330.

The previous prime is 722634659. The next prime is 722634739. The reversal of 722634662 is 266436227.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180658664 + ... + 180658667.

It is an arithmetic number, because the mean of its divisors is an integer number (270987999).

Almost surely, 2^722634662 is an apocalyptic number.

722634662 is a deficient number, since it is larger than the sum of its proper divisors (361317334).

722634662 is a wasteful number, since it uses less digits than its factorization.

722634662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361317333.

The product of its digits is 145152, while the sum is 38.

The square root of 722634662 is about 26881.8649278654. The cubic root of 722634662 is about 897.3728580536.

The spelling of 722634662 in words is "seven hundred twenty-two million, six hundred thirty-four thousand, six hundred sixty-two".