305012214 has 36 divisors (see below), whose sum is σ = 715612716. Its totient is φ = 93848976.

The previous prime is 305012189. The next prime is 305012233. The reversal of 305012214 is 412210503.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47092 + ... + 53175.

It is an arithmetic number, because the mean of its divisors is an integer number (19878131).

Almost surely, 2^305012214 is an apocalyptic number.

305012214 is an abundant number, since it is smaller than the sum of its proper divisors (410600502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305012214 is a wasteful number, since it uses less digits than its factorization.

305012214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100301 (or 100285 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 305012214 is about 17464.5988788749. The cubic root of 305012214 is about 673.1405349932.

Adding to 305012214 its reverse (412210503), we get a palindrome (717222717).

The spelling of 305012214 in words is "three hundred five million, twelve thousand, two hundred fourteen".