225918671 has 12 divisors (see below), whose sum is σ = 255258744. Its totient is φ = 198290400.

The previous prime is 225918653. The next prime is 225918691. The reversal of 225918671 is 176819522.

It is not a de Polignac number, because 225918671 - 2¹⁰ = 225917647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225918601) 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, 2960 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (21271562).

Almost surely, 2^225918671 is an apocalyptic number.

225918671 is a deficient number, since it is larger than the sum of its proper divisors (29340073).

225918671 is a wasteful number, since it uses less digits than its factorization.

225918671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24490 (or 24461 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 225918671 is about 15030.5911726718. The cubic root of 225918671 is about 609.0468595840.

The spelling of 225918671 in words is "two hundred twenty-five million, nine hundred eighteen thousand, six hundred seventy-one".