225195799 has 2 divisors, whose sum is σ = 225195800. Its totient is φ = 225195798.

The previous prime is 225195797. The next prime is 225195827. The reversal of 225195799 is 997591522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225195799 - 2¹ = 225195797 is a prime.

Together with 225195797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225195791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112597899 + 112597900.

It is an arithmetic number, because the mean of its divisors is an integer number (112597900).

Almost surely, 2^225195799 is an apocalyptic number.

225195799 is a deficient number, since it is larger than the sum of its proper divisors (1).

225195799 is an equidigital number, since it uses as much as digits as its factorization.

225195799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 49.

The square root of 225195799 is about 15006.5252140527. The cubic root of 225195799 is about 608.3965764153.

The spelling of 225195799 in words is "two hundred twenty-five million, one hundred ninety-five thousand, seven hundred ninety-nine".