422107452 has 72 divisors (see below), whose sum is σ = 1152276944. Its totient is φ = 129517056.

The previous prime is 422107451. The next prime is 422107459. The reversal of 422107452 is 254701224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422107451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201603 + ... + 203685.

Almost surely, 2^422107452 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 422107452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576138472).

422107452 is an abundant number, since it is smaller than the sum of its proper divisors (730169492).

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

422107452 is a wasteful number, since it uses less digits than its factorization.

422107452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 422107452 is about 20545.2537584718. The cubic root of 422107452 is about 750.1377240412.

Adding to 422107452 its reverse (254701224), we get a palindrome (676808676).

The spelling of 422107452 in words is "four hundred twenty-two million, one hundred seven thousand, four hundred fifty-two".