422131300 has 18 divisors (see below), whose sum is σ = 916025138. Its totient is φ = 168852480.

The previous prime is 422131271. The next prime is 422131319. The reversal of 422131300 is 3131224.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 131974144 + 290157156 = 11488^2 + 17034^2 .

It is a super-3 number, since 3×422131300³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2110557 + ... + 2110756.

Almost surely, 2^422131300 is an apocalyptic number.

It is an amenable number.

422131300 is an abundant number, since it is smaller than the sum of its proper divisors (493893838).

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

422131300 is a wasteful number, since it uses less digits than its factorization.

422131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221327 (or 4221320 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 422131300 is about 20545.8341276279. The cubic root of 422131300 is about 750.1518507345.

Adding to 422131300 its reverse (3131224), we get a palindrome (425262524).

The spelling of 422131300 in words is "four hundred twenty-two million, one hundred thirty-one thousand, three hundred".