305225869 has 8 divisors (see below), whose sum is σ = 328909952. Its totient is φ = 281571120.

The previous prime is 305225857. The next prime is 305225881. The reversal of 305225869 is 968522503.

It is an interprime number because it is at equal distance from previous prime (305225857) and next prime (305225881).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305225869 - 2²⁷ = 171008141 is a prime.

It is a super-2 number, since 2×305225869² = 186325662213610322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305225819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392 + ... + 30214.

It is an arithmetic number, because the mean of its divisors is an integer number (41113744).

Almost surely, 2^305225869 is an apocalyptic number.

It is an amenable number.

305225869 is a deficient number, since it is larger than the sum of its proper divisors (23684083).

305225869 is a wasteful number, since it uses less digits than its factorization.

305225869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14667.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 305225869 is about 17470.7146104560. The cubic root of 305225869 is about 673.2976721684.

The spelling of 305225869 in words is "three hundred five million, two hundred twenty-five thousand, eight hundred sixty-nine".