422234142 has 48 divisors (see below), whose sum is σ = 954225792. Its totient is φ = 123521440.

The previous prime is 422234123. The next prime is 422234191. The reversal of 422234142 is 241432224.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 51703 + ... + 59309.

It is an arithmetic number, because the mean of its divisors is an integer number (19879704).

Almost surely, 2^422234142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422234142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477112896).

422234142 is an abundant number, since it is smaller than the sum of its proper divisors (531991650).

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

422234142 is a wasteful number, since it uses less digits than its factorization.

422234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681 (or 7652 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 422234142 is about 20548.3367210098. The cubic root of 422234142 is about 750.2127645249.

Adding to 422234142 its reverse (241432224), we get a palindrome (663666366).

The spelling of 422234142 in words is "four hundred twenty-two million, two hundred thirty-four thousand, one hundred forty-two".