195226903 has 2 divisors, whose sum is σ = 195226904. Its totient is φ = 195226902.

The previous prime is 195226879. The next prime is 195226907. The reversal of 195226903 is 309622591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195226903 is a prime.

It is a super-2 number, since 2×195226903² = 76227087309942818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195226907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97613451 + 97613452.

It is an arithmetic number, because the mean of its divisors is an integer number (97613452).

Almost surely, 2^195226903 is an apocalyptic number.

195226903 is a deficient number, since it is larger than the sum of its proper divisors (1).

195226903 is an equidigital number, since it uses as much as digits as its factorization.

195226903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 195226903 is about 13972.3621123989. The cubic root of 195226903 is about 580.1138331863.

The spelling of 195226903 in words is "one hundred ninety-five million, two hundred twenty-six thousand, nine hundred three".