225877844 has 12 divisors (see below), whose sum is σ = 418538484. Its totient is φ = 106295424.

The previous prime is 225877843. The next prime is 225877849. The reversal of 225877844 is 448778522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192376900 + 33500944 = 13870^2 + 5788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225877843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660799 + ... + 1660934.

It is an arithmetic number, because the mean of its divisors is an integer number (34878207).

Almost surely, 2^225877844 is an apocalyptic number.

It is an amenable number.

225877844 is a deficient number, since it is larger than the sum of its proper divisors (192660640).

225877844 is a wasteful number, since it uses less digits than its factorization.

225877844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321754 (or 3321752 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 47.

The square root of 225877844 is about 15029.2329810939. The cubic root of 225877844 is about 609.0101693095.

The spelling of 225877844 in words is "two hundred twenty-five million, eight hundred seventy-seven thousand, eight hundred forty-four".