225696567 has 4 divisors (see below), whose sum is σ = 300928760. Its totient is φ = 150464376.

The previous prime is 225696563. The next prime is 225696617. The reversal of 225696567 is 765696522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225696567 - 2² = 225696563 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 (225696563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37616092 + ... + 37616097.

It is an arithmetic number, because the mean of its divisors is an integer number (75232190).

Almost surely, 2^225696567 is an apocalyptic number.

225696567 is a deficient number, since it is larger than the sum of its proper divisors (75232193).

225696567 is an equidigital number, since it uses as much as digits as its factorization.

225696567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75232192.

The product of its digits is 1360800, while the sum is 48.

The square root of 225696567 is about 15023.2009571862. The cubic root of 225696567 is about 608.8472064720.

The spelling of 225696567 in words is "two hundred twenty-five million, six hundred ninety-six thousand, five hundred sixty-seven".