722427274 has 8 divisors (see below), whose sum is σ = 1147384548. Its totient is φ = 339965760.

The previous prime is 722427229. The next prime is 722427283. The reversal of 722427274 is 472724227.

It can be written as a sum of positive squares in 2 ways, for example, as 608855625 + 113571649 = 24675^2 + 10657^2 .

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

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, 10623897 + ... + 10623964.

Almost surely, 2^722427274 is an apocalyptic number.

722427274 is a deficient number, since it is larger than the sum of its proper divisors (424957274).

722427274 is a wasteful number, since it uses less digits than its factorization.

722427274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21247880.

The product of its digits is 87808, while the sum is 37.

The square root of 722427274 is about 26878.0072550031. The cubic root of 722427274 is about 897.2870045427.

The spelling of 722427274 in words is "seven hundred twenty-two million, four hundred twenty-seven thousand, two hundred seventy-four".