225002688 has 56 divisors (see below), whose sum is σ = 596920320. Its totient is φ = 74799360.

The previous prime is 225002671. The next prime is 225002699. The reversal of 225002688 is 886200522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81393 + ... + 84111.

Almost surely, 2^225002688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225002688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298460160).

225002688 is an abundant number, since it is smaller than the sum of its proper divisors (371917632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225002688 is a wasteful number, since it uses less digits than its factorization.

225002688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 225002688 is about 15000.0895997324. The cubic root of 225002688 is about 608.2226216157. Note that the first 3 decimals are identical.

The spelling of 225002688 in words is "two hundred twenty-five million, two thousand, six hundred eighty-eight".