304001222 has 16 divisors (see below), whose sum is σ = 521620992. Its totient is φ = 130167240.

The previous prime is 304001209. The next prime is 304001227. The reversal of 304001222 is 222100403.

304001222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 304001197 and 304001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947 + ... + 25617.

It is an arithmetic number, because the mean of its divisors is an integer number (32601312).

Almost surely, 2^304001222 is an apocalyptic number.

304001222 is a deficient number, since it is larger than the sum of its proper divisors (217619770).

304001222 is a wasteful number, since it uses less digits than its factorization.

304001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19843.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 304001222 is about 17435.6308173808. The cubic root of 304001222 is about 672.3959823090.

Adding to 304001222 its reverse (222100403), we get a palindrome (526101625).

The spelling of 304001222 in words is "three hundred four million, one thousand, two hundred twenty-two".