225969772 has 24 divisors (see below), whose sum is σ = 461165600. Its totient is φ = 96843600.

The previous prime is 225969739. The next prime is 225969781. The reversal of 225969772 is 277969522.

225969772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 in 7 ways as a sum of consecutive naturals, for example, 80979 + ... + 83722.

Almost surely, 2^225969772 is an apocalyptic number.

It is an amenable number.

225969772 is an abundant number, since it is smaller than the sum of its proper divisors (235195828).

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

225969772 is a wasteful number, since it uses less digits than its factorization.

225969772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164726 (or 164710 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 225969772 is about 15032.2909764280. The cubic root of 225969772 is about 609.0927766348.

The spelling of 225969772 in words is "two hundred twenty-five million, nine hundred sixty-nine thousand, seven hundred seventy-two".