722255222 has 16 divisors (see below), whose sum is σ = 1167461232. Its totient is φ = 333136800.

The previous prime is 722255161. The next prime is 722255249. The reversal of 722255222 is 222552227.

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 in 7 ways as a sum of consecutive naturals, for example, 37472 + ... + 53372.

It is an arithmetic number, because the mean of its divisors is an integer number (72966327).

Almost surely, 2^722255222 is an apocalyptic number.

722255222 is a deficient number, since it is larger than the sum of its proper divisors (445206010).

722255222 is a wasteful number, since it uses less digits than its factorization.

722255222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its digits is 11200, while the sum is 29.

The square root of 722255222 is about 26874.8064551170. The cubic root of 722255222 is about 897.2157667926.

The spelling of 722255222 in words is "seven hundred twenty-two million, two hundred fifty-five thousand, two hundred twenty-two".