225104401 has 2 divisors, whose sum is σ = 225104402. Its totient is φ = 225104400.

The previous prime is 225104393. The next prime is 225104437. The reversal of 225104401 is 104401522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224250625 + 853776 = 14975^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 225104401 - 2³ = 225104393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225104471) 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, 112552200 + 112552201.

It is an arithmetic number, because the mean of its divisors is an integer number (112552201).

Almost surely, 2^225104401 is an apocalyptic number.

It is an amenable number.

225104401 is a deficient number, since it is larger than the sum of its proper divisors (1).

225104401 is an equidigital number, since it uses as much as digits as its factorization.

225104401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 225104401 is about 15003.4796297392. The cubic root of 225104401 is about 608.3142573030.

Adding to 225104401 its reverse (104401522), we get a palindrome (329505923).

The spelling of 225104401 in words is "two hundred twenty-five million, one hundred four thousand, four hundred one".