2203130400 has 72 divisors (see below), whose sum is σ = 7171197264. Its totient is φ = 587500800.

The previous prime is 2203130383. The next prime is 2203130429. The reversal of 2203130400 is 40313022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2203130400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456586 + ... + 461385.

It is an arithmetic number, because the mean of its divisors is an integer number (99599962).

Almost surely, 2^2203130400 is an apocalyptic number.

2203130400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203130400 is an abundant number, since it is smaller than the sum of its proper divisors (4968066864).

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

2203130400 is a wasteful number, since it uses less digits than its factorization.

2203130400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917994 (or 917981 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2203130400 is about 46937.5159121145. The cubic root of 2203130400 is about 1301.2080289615.

Adding to 2203130400 its reverse (40313022), we get a palindrome (2243443422).

The spelling of 2203130400 in words is "two billion, two hundred three million, one hundred thirty thousand, four hundred".