304212214 has 16 divisors (see below), whose sum is σ = 476777952. Its totient is φ = 145303488.

The previous prime is 304212179. The next prime is 304212217. The reversal of 304212214 is 412212403.

It is a super-2 number, since 2×304212214² = 185090142293563592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304212191 and 304212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304212217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35362 + ... + 43114.

It is an arithmetic number, because the mean of its divisors is an integer number (29798622).

Almost surely, 2^304212214 is an apocalyptic number.

304212214 is a deficient number, since it is larger than the sum of its proper divisors (172565738).

304212214 is a wasteful number, since it uses less digits than its factorization.

304212214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 304212214 is about 17441.6803662950. The cubic root of 304212214 is about 672.5515051094.

Adding to 304212214 its reverse (412212403), we get a palindrome (716424617).

The spelling of 304212214 in words is "three hundred four million, two hundred twelve thousand, two hundred fourteen".