422500452 has 48 divisors (see below), whose sum is σ = 1076689152. Its totient is φ = 127883680.

The previous prime is 422500451. The next prime is 422500487. The reversal of 422500452 is 254005224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (422500451) 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, 187243 + ... + 189485.

It is an arithmetic number, because the mean of its divisors is an integer number (22431024).

Almost surely, 2^422500452 is an apocalyptic number.

It is an amenable number.

422500452 is an abundant number, since it is smaller than the sum of its proper divisors (654188700).

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

422500452 is a wasteful number, since it uses less digits than its factorization.

422500452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 422500452 is about 20554.8157860877. The cubic root of 422500452 is about 750.3704552093.

Adding to 422500452 its reverse (254005224), we get a palindrome (676505676).

The spelling of 422500452 in words is "four hundred twenty-two million, five hundred thousand, four hundred fifty-two".