305875229 has 16 divisors (see below), whose sum is σ = 351475200. Its totient is φ = 263469360.

The previous prime is 305875147. The next prime is 305875247. The reversal of 305875229 is 922578503.

It is a de Polignac number, because none of the positive numbers 2^k-305875229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305875249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21422 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (21967200).

Almost surely, 2^305875229 is an apocalyptic number.

It is an amenable number.

305875229 is a deficient number, since it is larger than the sum of its proper divisors (45599971).

305875229 is a wasteful number, since it uses less digits than its factorization.

305875229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 305875229 is about 17489.2889792581. The cubic root of 305875229 is about 673.7748083200.

It can be divided in two parts, 3058 and 75229, that added together give a palindrome (78287).

The spelling of 305875229 in words is "three hundred five million, eight hundred seventy-five thousand, two hundred twenty-nine".