225333250 has 16 divisors (see below), whose sum is σ = 421824312. Its totient is φ = 90133200.

The previous prime is 225333247. The next prime is 225333257. The reversal of 225333250 is 52333522.

It can be written as a sum of positive squares in 4 ways, for example, as 31483321 + 193849929 = 5611^2 + 13923^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (225333257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450417 + ... + 450916.

Almost surely, 2^225333250 is an apocalyptic number.

225333250 is a deficient number, since it is larger than the sum of its proper divisors (196491062).

225333250 is an equidigital number, since it uses as much as digits as its factorization.

225333250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901350 (or 901340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 225333250 is about 15011.1042232076. The cubic root of 225333250 is about 608.5203319948.

Adding to 225333250 its reverse (52333522), we get a palindrome (277666772).

The spelling of 225333250 in words is "two hundred twenty-five million, three hundred thirty-three thousand, two hundred fifty".