722785274 has 16 divisors (see below), whose sum is σ = 1140272640. Its totient is φ = 343134480.

The previous prime is 722785249. The next prime is 722785291. The reversal of 722785274 is 472587227.

It is a super-2 number, since 2×722785274² = 1044837104622510152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106694 + ... + 113265.

It is an arithmetic number, because the mean of its divisors is an integer number (71267040).

Almost surely, 2^722785274 is an apocalyptic number.

722785274 is a deficient number, since it is larger than the sum of its proper divisors (417487366).

722785274 is a wasteful number, since it uses less digits than its factorization.

722785274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220045.

The product of its digits is 439040, while the sum is 44.

The square root of 722785274 is about 26884.6661500566. Note that the first 3 decimals coincide. The cubic root of 722785274 is about 897.4351974068.

The spelling of 722785274 in words is "seven hundred twenty-two million, seven hundred eighty-five thousand, two hundred seventy-four".