422042124 has 24 divisors (see below), whose sum is σ = 1125445888. Its totient is φ = 120583440.

The previous prime is 422042123. The next prime is 422042141. The reversal of 422042124 is 421240224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 422042124.

It is not an unprimeable number, because it can be changed into a prime (422042123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512072 + ... + 2512239.

Almost surely, 2^422042124 is an apocalyptic number.

It is an amenable number.

422042124 is an abundant number, since it is smaller than the sum of its proper divisors (703403764).

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

422042124 is a wasteful number, since it uses less digits than its factorization.

422042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024325 (or 5024323 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 422042124 is about 20543.6638407077. The cubic root of 422042124 is about 750.0990233697.

Adding to 422042124 its reverse (421240224), we get a palindrome (843282348).

The spelling of 422042124 in words is "four hundred twenty-two million, forty-two thousand, one hundred twenty-four".