225302201 has 2 divisors, whose sum is σ = 225302202. Its totient is φ = 225302200.

The previous prime is 225302197. The next prime is 225302239. The reversal of 225302201 is 102203522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216060601 + 9241600 = 14699^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 225302201 - 2² = 225302197 is a prime.

It is a super-2 number, since 2×225302201² = 101522163550888802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225302201.

It is not a weakly prime, because it can be changed into another prime (225302261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112651100 + 112651101.

It is an arithmetic number, because the mean of its divisors is an integer number (112651101).

Almost surely, 2^225302201 is an apocalyptic number.

It is an amenable number.

225302201 is a deficient number, since it is larger than the sum of its proper divisors (1).

225302201 is an equidigital number, since it uses as much as digits as its factorization.

225302201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 225302201 is about 15010.0699865124. The cubic root of 225302201 is about 608.4923810737.

Adding to 225302201 its reverse (102203522), we get a palindrome (327505723).

The spelling of 225302201 in words is "two hundred twenty-five million, three hundred two thousand, two hundred one".