225640882 has 4 divisors (see below), whose sum is σ = 338461326. Its totient is φ = 112820440.

The previous prime is 225640873. The next prime is 225640897. The reversal of 225640882 is 288046522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135978921 + 89661961 = 11661^2 + 9469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56410219 + ... + 56410222.

Almost surely, 2^225640882 is an apocalyptic number.

225640882 is a deficient number, since it is larger than the sum of its proper divisors (112820444).

225640882 is a wasteful number, since it uses less digits than its factorization.

225640882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112820443.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 225640882 is about 15021.3475427473. The cubic root of 225640882 is about 608.7971297314.

The spelling of 225640882 in words is "two hundred twenty-five million, six hundred forty thousand, eight hundred eighty-two".