422240124 has 24 divisors (see below), whose sum is σ = 999105408. Its totient is φ = 138764080.

The previous prime is 422240113. The next prime is 422240129. The reversal of 422240124 is 421042224.

It is a self number, because there is not a number n which added to its sum of digits gives 422240124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422240129) 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, 246942 + ... + 248645.

It is an arithmetic number, because the mean of its divisors is an integer number (41629392).

Almost surely, 2^422240124 is an apocalyptic number.

It is an amenable number.

422240124 is an abundant number, since it is smaller than the sum of its proper divisors (576865284).

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

422240124 is a wasteful number, since it uses less digits than its factorization.

422240124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495665 (or 495663 counting only the distinct ones).

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

The square root of 422240124 is about 20548.4822797208. The cubic root of 422240124 is about 750.2163073866.

Adding to 422240124 its reverse (421042224), we get a palindrome (843282348).

The spelling of 422240124 in words is "four hundred twenty-two million, two hundred forty thousand, one hundred twenty-four".