225888797 has 2 divisors, whose sum is σ = 225888798. Its totient is φ = 225888796.

The previous prime is 225888787. The next prime is 225888833. The reversal of 225888797 is 797888522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225870841 + 17956 = 15029^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 225888797 - 2⁴ = 225888781 is a prime.

It is a super-2 number, since 2×225888797² = 102051497220214418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225888787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112944398 + 112944399.

It is an arithmetic number, because the mean of its divisors is an integer number (112944399).

Almost surely, 2^225888797 is an apocalyptic number.

It is an amenable number.

225888797 is a deficient number, since it is larger than the sum of its proper divisors (1).

225888797 is an equidigital number, since it uses as much as digits as its factorization.

225888797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 56.

The square root of 225888797 is about 15029.5973665298. The cubic root of 225888797 is about 609.0200129496.

The spelling of 225888797 in words is "two hundred twenty-five million, eight hundred eighty-eight thousand, seven hundred ninety-seven".