225342797 has 2 divisors, whose sum is σ = 225342798. Its totient is φ = 225342796.

The previous prime is 225342763. The next prime is 225342829. The reversal of 225342797 is 797243522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211586116 + 13756681 = 14546^2 + 3709^2 .

It is a cyclic number.

It is not a de Polignac number, because 225342797 - 2⁸ = 225342541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225342727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112671398 + 112671399.

It is an arithmetic number, because the mean of its divisors is an integer number (112671399).

Almost surely, 2^225342797 is an apocalyptic number.

It is an amenable number.

225342797 is a deficient number, since it is larger than the sum of its proper divisors (1).

225342797 is an equidigital number, since it uses as much as digits as its factorization.

225342797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 225342797 is about 15011.4222177647. The cubic root of 225342797 is about 608.5289258760.

The spelling of 225342797 in words is "two hundred twenty-five million, three hundred forty-two thousand, seven hundred ninety-seven".