722297074 has 8 divisors (see below), whose sum is σ = 1083654108. Its totient is φ = 361079040.

The previous prime is 722297047. The next prime is 722297137. The reversal of 722297074 is 470792227.

It can be written as a sum of positive squares in 2 ways, for example, as 704530849 + 17766225 = 26543^2 + 4215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×722297074² = 1043426126217922952, which contains 22 as substring.

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, 20607 + ... + 43234.

Almost surely, 2^722297074 is an apocalyptic number.

722297074 is a deficient number, since it is larger than the sum of its proper divisors (361357034).

722297074 is a wasteful number, since it uses less digits than its factorization.

722297074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69500.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 722297074 is about 26875.5850913055. The cubic root of 722297074 is about 897.2330965618.

The spelling of 722297074 in words is "seven hundred twenty-two million, two hundred ninety-seven thousand, seventy-four".