422531300 has 36 divisors (see below), whose sum is σ = 929469156. Its totient is φ = 166694400.

The previous prime is 422531299. The next prime is 422531309. The reversal of 422531300 is 3135224.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 68790436 + 353740864 = 8294^2 + 18808^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (422531309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21641 + ... + 36240.

Almost surely, 2^422531300 is an apocalyptic number.

It is an amenable number.

422531300 is an abundant number, since it is smaller than the sum of its proper divisors (506937856).

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

422531300 is a wasteful number, since it uses less digits than its factorization.

422531300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57968 (or 57961 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 422531300 is about 20555.5661561534. The cubic root of 422531300 is about 750.3887170158.

Adding to 422531300 its reverse (3135224), we get a palindrome (425666524).

The spelling of 422531300 in words is "four hundred twenty-two million, five hundred thirty-one thousand, three hundred".