722166622 has 16 divisors (see below), whose sum is σ = 1093356000. Its totient is φ = 357730560.

The previous prime is 722166587. The next prime is 722166637. The reversal of 722166622 is 226661227.

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, 92154 + ... + 99682.

It is an arithmetic number, because the mean of its divisors is an integer number (68334750).

Almost surely, 2^722166622 is an apocalyptic number.

722166622 is a deficient number, since it is larger than the sum of its proper divisors (371189378).

722166622 is a wasteful number, since it uses less digits than its factorization.

722166622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7971.

The product of its digits is 24192, while the sum is 34.

The square root of 722166622 is about 26873.1580205974. The cubic root of 722166622 is about 897.1790777454.

The spelling of 722166622 in words is "seven hundred twenty-two million, one hundred sixty-six thousand, six hundred twenty-two".