722446822 has 4 divisors (see below), whose sum is σ = 1083670236. Its totient is φ = 361223410.

The previous prime is 722446819. The next prime is 722446853. The reversal of 722446822 is 228644227.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 180611704 + ... + 180611707.

It is an arithmetic number, because the mean of its divisors is an integer number (270917559).

Almost surely, 2^722446822 is an apocalyptic number.

722446822 is a deficient number, since it is larger than the sum of its proper divisors (361223414).

722446822 is a wasteful number, since it uses less digits than its factorization.

722446822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361223413.

The product of its digits is 86016, while the sum is 37.

The square root of 722446822 is about 26878.3708955733. The cubic root of 722446822 is about 897.2950976333.

The spelling of 722446822 in words is "seven hundred twenty-two million, four hundred forty-six thousand, eight hundred twenty-two".