225325244 has 12 divisors (see below), whose sum is σ = 407916600. Its totient is φ = 108777648.

The previous prime is 225325241. The next prime is 225325249. The reversal of 225325244 is 442523522.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225325241) 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, 971114 + ... + 971345.

It is an arithmetic number, because the mean of its divisors is an integer number (33993050).

Almost surely, 2^225325244 is an apocalyptic number.

It is an amenable number.

225325244 is a deficient number, since it is larger than the sum of its proper divisors (182591356).

225325244 is a wasteful number, since it uses less digits than its factorization.

225325244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942492 (or 1942490 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 225325244 is about 15010.8375515825. The cubic root of 225325244 is about 608.5131250816.

Adding to 225325244 its reverse (442523522), we get a palindrome (667848766).

The spelling of 225325244 in words is "two hundred twenty-five million, three hundred twenty-five thousand, two hundred forty-four".