225657933 has 8 divisors (see below), whose sum is σ = 301048896. Its totient is φ = 150352800.

The previous prime is 225657923. The next prime is 225657953. The reversal of 225657933 is 339756522.

225657933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225657933 - 2⁶ = 225657869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225657923) 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, 15048 + ... + 26033.

It is an arithmetic number, because the mean of its divisors is an integer number (37631112).

Almost surely, 2^225657933 is an apocalyptic number.

It is an amenable number.

225657933 is a deficient number, since it is larger than the sum of its proper divisors (75390963).

225657933 is a wasteful number, since it uses less digits than its factorization.

225657933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42915.

The product of its digits is 340200, while the sum is 42.

The square root of 225657933 is about 15021.9150909596. The cubic root of 225657933 is about 608.8124643319.

The spelling of 225657933 in words is "two hundred twenty-five million, six hundred fifty-seven thousand, nine hundred thirty-three".