225731667 has 16 divisors (see below), whose sum is σ = 347380992. Its totient is φ = 127711200.

The previous prime is 225731657. The next prime is 225731669. The reversal of 225731667 is 766137522.

225731667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225731667 - 2⁴ = 225731651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225731669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51093 + ... + 55334.

It is an arithmetic number, because the mean of its divisors is an integer number (21711312).

Almost surely, 2^225731667 is an apocalyptic number.

225731667 is a deficient number, since it is larger than the sum of its proper divisors (121649325).

225731667 is a wasteful number, since it uses less digits than its factorization.

225731667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106538.

The product of its digits is 105840, while the sum is 39.

The square root of 225731667 is about 15024.3691048909. The cubic root of 225731667 is about 608.8787671784.

The spelling of 225731667 in words is "two hundred twenty-five million, seven hundred thirty-one thousand, six hundred sixty-seven".