422131224 has 64 divisors (see below), whose sum is σ = 1101759840. Its totient is φ = 134645760.

The previous prime is 422131223. The next prime is 422131231.

422131224 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 422131224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422131223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50272 + ... + 58064.

Almost surely, 2^422131224 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 422131224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550879920).

422131224 is an abundant number, since it is smaller than the sum of its proper divisors (679628616).

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

422131224 is a wasteful number, since it uses less digits than its factorization.

422131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7896 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 422131224 is about 20545.8322781045. The cubic root of 422131224 is about 750.1518057157.

The spelling of 422131224 in words is "four hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-four".