304221134 has 16 divisors (see below), whose sum is σ = 525631488. Its totient is φ = 129353112.

The previous prime is 304221131. The next prime is 304221139. The reversal of 304221134 is 431122403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304221131) 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, 83774 + ... + 87329.

It is an arithmetic number, because the mean of its divisors is an integer number (32851968).

Almost surely, 2^304221134 is an apocalyptic number.

304221134 is a deficient number, since it is larger than the sum of its proper divisors (221410354).

304221134 is a wasteful number, since it uses less digits than its factorization.

304221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171239.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304221134 is about 17441.9360737276. The cubic root of 304221134 is about 672.5580784821.

Adding to 304221134 its reverse (431122403), we get a palindrome (735343537).

The spelling of 304221134 in words is "three hundred four million, two hundred twenty-one thousand, one hundred thirty-four".