225692089 has 12 divisors (see below), whose sum is σ = 276358800. Its totient is φ = 183268008.

The previous prime is 225692057. The next prime is 225692099. The reversal of 225692089 is 980296522.

It is not a de Polignac number, because 225692089 - 2⁵ = 225692057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225692029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120279 + ... + 122140.

It is an arithmetic number, because the mean of its divisors is an integer number (23029900).

Almost surely, 2^225692089 is an apocalyptic number.

It is an amenable number.

225692089 is a deficient number, since it is larger than the sum of its proper divisors (50666711).

225692089 is a wasteful number, since it uses less digits than its factorization.

225692089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242452 (or 242445 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 225692089 is about 15023.0519202990. The cubic root of 225692089 is about 608.8431797739.

The spelling of 225692089 in words is "two hundred twenty-five million, six hundred ninety-two thousand, eighty-nine".