722117494 has 16 divisors (see below), whose sum is σ = 1264255488. Its totient is φ = 302893992.

The previous prime is 722117489. The next prime is 722117507. The reversal of 722117494 is 494711227.

722117494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548064 + ... + 549379.

It is an arithmetic number, because the mean of its divisors is an integer number (79015968).

Almost surely, 2^722117494 is an apocalyptic number.

722117494 is a deficient number, since it is larger than the sum of its proper divisors (542137994).

722117494 is a wasteful number, since it uses less digits than its factorization.

722117494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097499.

The product of its digits is 28224, while the sum is 37.

The square root of 722117494 is about 26872.2439330994. The cubic root of 722117494 is about 897.1587326654.

The spelling of 722117494 in words is "seven hundred twenty-two million, one hundred seventeen thousand, four hundred ninety-four".