304284222 has 64 divisors (see below), whose sum is σ = 740689920. Its totient is φ = 91828800.

The previous prime is 304284217. The next prime is 304284283. The reversal of 304284222 is 222482403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 166003 + ... + 167825.

It is an arithmetic number, because the mean of its divisors is an integer number (11573280).

Almost surely, 2^304284222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304284222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370344960).

304284222 is an abundant number, since it is smaller than the sum of its proper divisors (436405698).

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

304284222 is a wasteful number, since it uses less digits than its factorization.

304284222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 304284222 is about 17443.7444948039. The cubic root of 304284222 is about 672.6045659509.

The spelling of 304284222 in words is "three hundred four million, two hundred eighty-four thousand, two hundred twenty-two".