225522344 has 8 divisors (see below), whose sum is σ = 422854410. Its totient is φ = 112761168.

The previous prime is 225522317. The next prime is 225522347. The reversal of 225522344 is 443225522.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 69522244 = 12490^2 + 8338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (225522347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14095139 + ... + 14095154.

Almost surely, 2^225522344 is an apocalyptic number.

It is an amenable number.

225522344 is a deficient number, since it is larger than the sum of its proper divisors (197332066).

225522344 is a wasteful number, since it uses less digits than its factorization.

225522344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28190299 (or 28190295 counting only the distinct ones).

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

The square root of 225522344 is about 15017.4013730738. The cubic root of 225522344 is about 608.6905027254.

Adding to 225522344 its reverse (443225522), we get a palindrome (668747866).

The spelling of 225522344 in words is "two hundred twenty-five million, five hundred twenty-two thousand, three hundred forty-four".