225744388 has 12 divisors (see below), whose sum is σ = 395841600. Its totient is φ = 112646792.

The previous prime is 225744361. The next prime is 225744391. The reversal of 225744388 is 883447522.

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, 54088 + ... + 58111.

It is an arithmetic number, because the mean of its divisors is an integer number (32986800).

Almost surely, 2^225744388 is an apocalyptic number.

It is an amenable number.

225744388 is a deficient number, since it is larger than the sum of its proper divisors (170097212).

225744388 is a wasteful number, since it uses less digits than its factorization.

225744388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112706 (or 112704 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 225744388 is about 15024.7924444899. The cubic root of 225744388 is about 608.8902046540.

It can be divided in two parts, 22574 and 4388, that added together give a palindrome (26962).

The spelling of 225744388 in words is "two hundred twenty-five million, seven hundred forty-four thousand, three hundred eighty-eight".