402204100 has 18 divisors (see below), whose sum is σ = 872783114. Its totient is φ = 160881600.

The previous prime is 402204073. The next prime is 402204107. The reversal of 402204100 is 1402204.

It can be written as a sum of positive squares in 3 ways, for example, as 108493056 + 293711044 = 10416^2 + 17138^2 .

It is not an unprimeable number, because it can be changed into a prime (402204107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2010921 + ... + 2011120.

Almost surely, 2^402204100 is an apocalyptic number.

It is an amenable number.

402204100 is an abundant number, since it is smaller than the sum of its proper divisors (470579014).

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

402204100 is a wasteful number, since it uses less digits than its factorization.

402204100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022055 (or 4022048 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 402204100 is about 20055.0268012785. The cubic root of 402204100 is about 738.1571505537.

Adding to 402204100 its reverse (1402204), we get a palindrome (403606304).

The spelling of 402204100 in words is "four hundred two million, two hundred four thousand, one hundred".