225690227 has 16 divisors (see below), whose sum is σ = 277056000. Its totient is φ = 183261960.

The previous prime is 225690221. The next prime is 225690233. The reversal of 225690227 is 722096522.

It is an interprime number because it is at equal distance from previous prime (225690221) and next prime (225690233).

It is not a de Polignac number, because 225690227 - 2⁴ = 225690211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225690221) 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, 10799 + ... + 23832.

It is an arithmetic number, because the mean of its divisors is an integer number (17316000).

Almost surely, 2^225690227 is an apocalyptic number.

225690227 is a deficient number, since it is larger than the sum of its proper divisors (51365773).

225690227 is an equidigital number, since it uses as much as digits as its factorization.

225690227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34671 (or 34657 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 225690227 is about 15022.9899487419. The cubic root of 225690227 is about 608.8415054144.

The spelling of 225690227 in words is "two hundred twenty-five million, six hundred ninety thousand, two hundred twenty-seven".