422161632 has 120 divisors (see below), whose sum is σ = 1248220512. Its totient is φ = 139968000.

The previous prime is 422161631. The next prime is 422161633. The reversal of 422161632 is 236161224.

422161632 is a `hidden beast` number, since 4 + 2 + 21 + 6 + 1 + 632 = 666.

It is an interprime number because it is at equal distance from previous prime (422161631) and next prime (422161633).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 422161596 and 422161605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422161631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 702132 + ... + 702732.

Almost surely, 2^422161632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422161632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624110256).

422161632 is an abundant number, since it is smaller than the sum of its proper divisors (826058880).

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

422161632 is a wasteful number, since it uses less digits than its factorization.

422161632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 877 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 422161632 is about 20546.5722688725. The cubic root of 422161632 is about 750.1698175464.

The spelling of 422161632 in words is "four hundred twenty-two million, one hundred sixty-one thousand, six hundred thirty-two".