422142504 has 128 divisors (see below), whose sum is σ = 1293926400. Its totient is φ = 112020480.

The previous prime is 422142401. The next prime is 422142517. The reversal of 422142504 is 405241224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 224689 + ... + 226559.

It is an arithmetic number, because the mean of its divisors is an integer number (10108800).

Almost surely, 2^422142504 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 422142504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646963200).

422142504 is an abundant number, since it is smaller than the sum of its proper divisors (871783896).

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

422142504 is a wasteful number, since it uses less digits than its factorization.

422142504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 422142504 is about 20546.1067844981. The cubic root of 422142504 is about 750.1584873955.

Adding to 422142504 its reverse (405241224), we get a palindrome (827383728).

The spelling of 422142504 in words is "four hundred twenty-two million, one hundred forty-two thousand, five hundred four".