225436244 has 12 divisors (see below), whose sum is σ = 430378368. Its totient is φ = 102471000.

The previous prime is 225436241. The next prime is 225436249. The reversal of 225436244 is 442634522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225436244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225436241) 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, 2561732 + ... + 2561819.

It is an arithmetic number, because the mean of its divisors is an integer number (35864864).

Almost surely, 2^225436244 is an apocalyptic number.

It is an amenable number.

225436244 is a deficient number, since it is larger than the sum of its proper divisors (204942124).

225436244 is a wasteful number, since it uses less digits than its factorization.

225436244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123566 (or 5123564 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 225436244 is about 15014.5344250163. The cubic root of 225436244 is about 608.6130308406.

The spelling of 225436244 in words is "two hundred twenty-five million, four hundred thirty-six thousand, two hundred forty-four".