225184155 has 48 divisors (see below), whose sum is σ = 432681984. Its totient is φ = 99610560.

The previous prime is 225184133. The next prime is 225184189. The reversal of 225184155 is 551481522.

225184155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225184155 - 2⁹ = 225183643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17844 + ... + 27726.

It is an arithmetic number, because the mean of its divisors is an integer number (9014208).

Almost surely, 2^225184155 is an apocalyptic number.

225184155 is a deficient number, since it is larger than the sum of its proper divisors (207497829).

225184155 is a wasteful number, since it uses less digits than its factorization.

225184155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936 (or 9929 counting only the distinct ones).

The product of its digits is 16000, while the sum is 33.

The square root of 225184155 is about 15006.1372444743. The cubic root of 225184155 is about 608.3860902933.

The spelling of 225184155 in words is "two hundred twenty-five million, one hundred eighty-four thousand, one hundred fifty-five".