422120132 has 24 divisors (see below), whose sum is σ = 893902464. Its totient is φ = 170266752.

The previous prime is 422120117. The next prime is 422120137. The reversal of 422120132 is 231021224.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 422120132.

It is not an unprimeable number, because it can be changed into a prime (422120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442928 + ... + 443879.

It is an arithmetic number, because the mean of its divisors is an integer number (37245936).

Almost surely, 2^422120132 is an apocalyptic number.

It is an amenable number.

422120132 is an abundant number, since it is smaller than the sum of its proper divisors (471782332).

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

422120132 is a wasteful number, since it uses less digits than its factorization.

422120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886835 (or 886833 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 422120132 is about 20545.5623432409. The cubic root of 422120132 is about 750.1452352812.

Adding to 422120132 its reverse (231021224), we get a palindrome (653141356).

The spelling of 422120132 in words is "four hundred twenty-two million, one hundred twenty thousand, one hundred thirty-two".