225131744004 has 36 divisors (see below), whose sum is σ = 526241318064. Its totient is φ = 74910734528.

The previous prime is 225131743999. The next prime is 225131744017. The reversal of 225131744004 is 400447131522.

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, 3856159 + ... + 3914105.

Almost surely, 2^225131744004 is an apocalyptic number.

It is an amenable number.

225131744004 is an abundant number, since it is smaller than the sum of its proper divisors (301109574060).

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

225131744004 is an equidigital number, since it uses as much as digits as its factorization.

225131744004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59092 (or 58521 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 225131744004 its reverse (400447131522), we get a palindrome (625578875526).

The spelling of 225131744004 in words is "two hundred twenty-five billion, one hundred thirty-one million, seven hundred forty-four thousand, four".