422829784 has 32 divisors (see below), whose sum is σ = 876874320. Its totient is φ = 189876096.

The previous prime is 422829751. The next prime is 422829787. The reversal of 422829784 is 487928224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422829787) 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 7 ways as a sum of consecutive naturals, for example, 51094 + ... + 58789.

Almost surely, 2^422829784 is an apocalyptic number.

It is an amenable number.

422829784 is an abundant number, since it is smaller than the sum of its proper divisors (454044536).

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

422829784 is a wasteful number, since it uses less digits than its factorization.

422829784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109939 (or 109935 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 422829784 is about 20562.8252922598. The cubic root of 422829784 is about 750.5653716254.

The spelling of 422829784 in words is "four hundred twenty-two million, eight hundred twenty-nine thousand, seven hundred eighty-four".