225738244 has 6 divisors (see below), whose sum is σ = 395041934. Its totient is φ = 112869120.

The previous prime is 225738241. The next prime is 225738277. The reversal of 225738244 is 442837522.

225738244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 180579844 + 45158400 = 13438^2 + 6720^2 .

It is not an unprimeable number, because it can be changed into a prime (225738241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28217277 + ... + 28217284.

Almost surely, 2^225738244 is an apocalyptic number.

It is an amenable number.

225738244 is a deficient number, since it is larger than the sum of its proper divisors (169303690).

225738244 is a wasteful number, since it uses less digits than its factorization.

225738244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56434565 (or 56434563 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 225738244 is about 15024.5879810396. The cubic root of 225738244 is about 608.8846806254.

The spelling of 225738244 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, two hundred forty-four".