225400352237 has 2 divisors, whose sum is σ = 225400352238. Its totient is φ = 225400352236.

The previous prime is 225400352183. The next prime is 225400352263. The reversal of 225400352237 is 732253004522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204981657001 + 20418695236 = 452749^2 + 142894^2 .

It is a cyclic number.

It is not a de Polignac number, because 225400352237 - 2¹⁶ = 225400286701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225400352197 and 225400352206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225400372237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112700176118 + 112700176119.

It is an arithmetic number, because the mean of its divisors is an integer number (112700176119).

Almost surely, 2^225400352237 is an apocalyptic number.

It is an amenable number.

225400352237 is a deficient number, since it is larger than the sum of its proper divisors (1).

225400352237 is an equidigital number, since it uses as much as digits as its factorization.

225400352237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 35.

Adding to 225400352237 its reverse (732253004522), we get a palindrome (957653356759).

The spelling of 225400352237 in words is "two hundred twenty-five billion, four hundred million, three hundred fifty-two thousand, two hundred thirty-seven".