225003144 has 16 divisors (see below), whose sum is σ = 562507920. Its totient is φ = 75001040.

The previous prime is 225003127. The next prime is 225003161. The reversal of 225003144 is 441300522.

It is an interprime number because it is at equal distance from previous prime (225003127) and next prime (225003161).

It is a self number, because there is not a number n which added to its sum of digits gives 225003144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4687542 + ... + 4687589.

It is an arithmetic number, because the mean of its divisors is an integer number (35156745).

Almost surely, 2^225003144 is an apocalyptic number.

225003144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225003144 is an abundant number, since it is smaller than the sum of its proper divisors (337504776).

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

225003144 is a wasteful number, since it uses less digits than its factorization.

225003144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375140 (or 9375136 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 225003144 is about 15000.1047996339. The cubic root of 225003144 is about 608.2230324987.

Adding to 225003144 its reverse (441300522), we get a palindrome (666303666).

The spelling of 225003144 in words is "two hundred twenty-five million, three thousand, one hundred forty-four".