225738944 has 28 divisors (see below), whose sum is σ = 451494144. Its totient is φ = 111976704.

The previous prime is 225738941. The next prime is 225738967. The reversal of 225738944 is 449837522.

225738944 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 225738895 and 225738904.

It is not an unprimeable number, because it can be changed into a prime (225738941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5759 + ... + 22014.

Almost surely, 2^225738944 is an apocalyptic number.

It is an amenable number.

225738944 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225738944 is a wasteful number, since it uses less digits than its factorization.

225738944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27912 (or 27902 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 225738944 is about 15024.6112761695. The cubic root of 225738944 is about 608.8853099957.

The spelling of 225738944 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, nine hundred forty-four".