304121222 has 8 divisors (see below), whose sum is σ = 470897472. Its totient is φ = 147155400.

The previous prime is 304121189. The next prime is 304121281. The reversal of 304121222 is 222121403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 304121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452529 + ... + 2452652.

It is an arithmetic number, because the mean of its divisors is an integer number (58862184).

Almost surely, 2^304121222 is an apocalyptic number.

304121222 is a deficient number, since it is larger than the sum of its proper divisors (166776250).

304121222 is a wasteful number, since it uses less digits than its factorization.

304121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905214.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 304121222 is about 17439.0717069459. The cubic root of 304121222 is about 672.4844434704.

Adding to 304121222 its reverse (222121403), we get a palindrome (526242625).

The spelling of 304121222 in words is "three hundred four million, one hundred twenty-one thousand, two hundred twenty-two".