722380422 has 32 divisors (see below), whose sum is σ = 1554837984. Its totient is φ = 222912000.

The previous prime is 722380403. The next prime is 722380447. The reversal of 722380422 is 224083227.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 722380422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51829 + ... + 64272.

It is an arithmetic number, because the mean of its divisors is an integer number (48588687).

Almost surely, 2^722380422 is an apocalyptic number.

722380422 is an abundant number, since it is smaller than the sum of its proper divisors (832457562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722380422 is a wasteful number, since it uses less digits than its factorization.

722380422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116184.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 722380422 is about 26877.1356732819. The cubic root of 722380422 is about 897.2676066965.

The spelling of 722380422 in words is "seven hundred twenty-two million, three hundred eighty thousand, four hundred twenty-two".