225812159 has 2 divisors, whose sum is σ = 225812160. Its totient is φ = 225812158.

The previous prime is 225812149. The next prime is 225812189. The reversal of 225812159 is 951218522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225812159 - 2¹⁶ = 225746623 is a prime.

It is a super-2 number, since 2×225812159² = 101982262304482562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225812129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112906079 + 112906080.

It is an arithmetic number, because the mean of its divisors is an integer number (112906080).

Almost surely, 2^225812159 is an apocalyptic number.

225812159 is a deficient number, since it is larger than the sum of its proper divisors (1).

225812159 is an equidigital number, since it uses as much as digits as its factorization.

225812159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 225812159 is about 15027.0475809455. The cubic root of 225812159 is about 608.9511304496.

The spelling of 225812159 in words is "two hundred twenty-five million, eight hundred twelve thousand, one hundred fifty-nine".