225802137 has 32 divisors (see below), whose sum is σ = 348894720. Its totient is φ = 128459520.

The previous prime is 225802133. The next prime is 225802141. The reversal of 225802137 is 731208522.

It is an interprime number because it is at equal distance from previous prime (225802133) and next prime (225802141).

It is not a de Polignac number, because 225802137 - 2² = 225802133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225802133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69258 + ... + 72444.

It is an arithmetic number, because the mean of its divisors is an integer number (10902960).

Almost surely, 2^225802137 is an apocalyptic number.

It is an amenable number.

225802137 is a deficient number, since it is larger than the sum of its proper divisors (123092583).

225802137 is a wasteful number, since it uses less digits than its factorization.

225802137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 225802137 is about 15026.7141118742. The cubic root of 225802137 is about 608.9421214890.

The spelling of 225802137 in words is "two hundred twenty-five million, eight hundred two thousand, one hundred thirty-seven".