404402200 has 24 divisors (see below), whose sum is σ = 940235580. Its totient is φ = 161760800.

The previous prime is 404402153. The next prime is 404402203. The reversal of 404402200 is 2204404.

It is a super-2 number, since 2×404402200² = 327082278729680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404402203) 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, 1010806 + ... + 1011205.

Almost surely, 2^404402200 is an apocalyptic number.

404402200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404402200 is an abundant number, since it is smaller than the sum of its proper divisors (535833380).

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

404402200 is a wasteful number, since it uses less digits than its factorization.

404402200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022027 (or 2022018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 404402200 is about 20109.7538522976. The cubic root of 404402200 is about 739.4994179648.

Adding to 404402200 its reverse (2204404), we get a palindrome (406606604).

The spelling of 404402200 in words is "four hundred four million, four hundred two thousand, two hundred".