225902159 has 16 divisors (see below), whose sum is σ = 272824320. Its totient is φ = 182856960.

The previous prime is 225902129. The next prime is 225902161. The reversal of 225902159 is 951209522.

It is a cyclic number.

It is not a de Polignac number, because 225902159 - 2¹² = 225898063 is a prime.

It is a super-2 number, since 2×225902159² = 102063570881722562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225902129) 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, 3839 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (17051520).

Almost surely, 2^225902159 is an apocalyptic number.

225902159 is a deficient number, since it is larger than the sum of its proper divisors (46922161).

225902159 is a wasteful number, since it uses less digits than its factorization.

225902159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17870.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 225902159 is about 15030.0418828425. The cubic root of 225902159 is about 609.0320211664.

The spelling of 225902159 in words is "two hundred twenty-five million, nine hundred two thousand, one hundred fifty-nine".