225272244 has 12 divisors (see below), whose sum is σ = 525635264. Its totient is φ = 75090744.

The previous prime is 225272239. The next prime is 225272297. The reversal of 225272244 is 442272522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9386332 + ... + 9386355.

Almost surely, 2^225272244 is an apocalyptic number.

It is an amenable number.

225272244 is an abundant number, since it is smaller than the sum of its proper divisors (300363020).

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

225272244 is a wasteful number, since it uses less digits than its factorization.

225272244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772694 (or 18772692 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 225272244 is about 15009.0720565930. The cubic root of 225272244 is about 608.4654107583.

The spelling of 225272244 in words is "two hundred twenty-five million, two hundred seventy-two thousand, two hundred forty-four".