225409167 has 12 divisors (see below), whose sum is σ = 330177744. Its totient is φ = 148155840.

The previous prime is 225409157. The next prime is 225409169. The reversal of 225409167 is 761904522.

225409167 is a `hidden beast` number, since 22 + 540 + 91 + 6 + 7 = 666.

It is not a de Polignac number, because 225409167 - 2¹² = 225405071 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225409169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175738 + ... + 177015.

It is an arithmetic number, because the mean of its divisors is an integer number (27514812).

Almost surely, 2^225409167 is an apocalyptic number.

225409167 is a deficient number, since it is larger than the sum of its proper divisors (104768577).

225409167 is a wasteful number, since it uses less digits than its factorization.

225409167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352830 (or 352827 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 225409167 is about 15013.6327049785. The cubic root of 225409167 is about 608.5886631605.

The spelling of 225409167 in words is "two hundred twenty-five million, four hundred nine thousand, one hundred sixty-seven".