225984187 has 8 divisors (see below), whose sum is σ = 265492080. Its totient is φ = 189636960.

The previous prime is 225984151. The next prime is 225984217. The reversal of 225984187 is 781489522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225984187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225984127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790012 + ... + 790297.

It is an arithmetic number, because the mean of its divisors is an integer number (33186510).

Almost surely, 2^225984187 is an apocalyptic number.

225984187 is a deficient number, since it is larger than the sum of its proper divisors (39507893).

225984187 is a wasteful number, since it uses less digits than its factorization.

225984187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580333.

The product of its digits is 322560, while the sum is 46.

The square root of 225984187 is about 15032.7704366161. The cubic root of 225984187 is about 609.1057280510.

The spelling of 225984187 in words is "two hundred twenty-five million, nine hundred eighty-four thousand, one hundred eighty-seven".