422182722621 has 16 divisors (see below), whose sum is σ = 615057182208. Its totient is φ = 255462807600.

The previous prime is 422182722613. The next prime is 422182722631. The reversal of 422182722621 is 126227281224.

It is not a de Polignac number, because 422182722621 - 2³ = 422182722613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422182722621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422182722631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10116591 + ... + 10158236.

It is an arithmetic number, because the mean of its divisors is an integer number (38441073888).

Almost surely, 2^422182722621 is an apocalyptic number.

It is an amenable number.

422182722621 is a deficient number, since it is larger than the sum of its proper divisors (192874459587).

422182722621 is a wasteful number, since it uses less digits than its factorization.

422182722621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20275472.

The product of its digits is 86016, while the sum is 39.

The spelling of 422182722621 in words is "four hundred twenty-two billion, one hundred eighty-two million, seven hundred twenty-two thousand, six hundred twenty-one".