225667311 has 8 divisors (see below), whose sum is σ = 307887360. Its totient is φ = 146946072.

The previous prime is 225667307. The next prime is 225667319. The reversal of 225667311 is 113766522.

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

It is not a de Polignac number, because 225667311 - 2² = 225667307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225667319) 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, 874551 + ... + 874808.

It is an arithmetic number, because the mean of its divisors is an integer number (38485920).

Almost surely, 2^225667311 is an apocalyptic number.

225667311 is a deficient number, since it is larger than the sum of its proper divisors (82220049).

225667311 is a wasteful number, since it uses less digits than its factorization.

225667311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749405.

The product of its digits is 15120, while the sum is 33.

The square root of 225667311 is about 15022.2272316724. The cubic root of 225667311 is about 608.8208979880.

The spelling of 225667311 in words is "two hundred twenty-five million, six hundred sixty-seven thousand, three hundred eleven".