722627422 has 16 divisors (see below), whose sum is σ = 1220626944. Its totient is φ = 317871000.

The previous prime is 722627383. The next prime is 722627467. The reversal of 722627422 is 224726227.

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, 529104 + ... + 530467.

It is an arithmetic number, because the mean of its divisors is an integer number (76289184).

Almost surely, 2^722627422 is an apocalyptic number.

722627422 is a deficient number, since it is larger than the sum of its proper divisors (497999522).

722627422 is a wasteful number, since it uses less digits than its factorization.

722627422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059615.

The product of its digits is 37632, while the sum is 34.

The square root of 722627422 is about 26881.7302642520. The cubic root of 722627422 is about 897.3698611491.

The spelling of 722627422 in words is "seven hundred twenty-two million, six hundred twenty-seven thousand, four hundred twenty-two".