225400333 has 2 divisors, whose sum is σ = 225400334. Its totient is φ = 225400332.

The previous prime is 225400327. The next prime is 225400381. The reversal of 225400333 is 333004522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182196004 + 43204329 = 13498^2 + 6573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225400333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225400393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112700166 + 112700167.

It is an arithmetic number, because the mean of its divisors is an integer number (112700167).

Almost surely, 2^225400333 is an apocalyptic number.

It is an amenable number.

225400333 is a deficient number, since it is larger than the sum of its proper divisors (1).

225400333 is an equidigital number, since it uses as much as digits as its factorization.

225400333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 225400333 is about 15013.3385028114. The cubic root of 225400333 is about 608.5807126668.

Adding to 225400333 its reverse (333004522), we get a palindrome (558404855).

The spelling of 225400333 in words is "two hundred twenty-five million, four hundred thousand, three hundred thirty-three".