422125500 has 96 divisors (see below), whose sum is σ = 1234291968. Its totient is φ = 112104000.

The previous prime is 422125469. The next prime is 422125507. The reversal of 422125500 is 5521224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422125507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520095 + ... + 520905.

It is an arithmetic number, because the mean of its divisors is an integer number (12857208).

Almost surely, 2^422125500 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 422125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617145984).

422125500 is an abundant number, since it is smaller than the sum of its proper divisors (812166468).

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

422125500 is a wasteful number, since it uses less digits than its factorization.

422125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 422125500 is about 20545.6929793083. The cubic root of 422125500 is about 750.1484150731.

Adding to 422125500 its reverse (5521224), we get a palindrome (427646724).

The spelling of 422125500 in words is "four hundred twenty-two million, one hundred twenty-five thousand, five hundred".