304022128 has 20 divisors (see below), whose sum is σ = 591578208. Its totient is φ = 151356800.

The previous prime is 304022107. The next prime is 304022143. The reversal of 304022128 is 821220403.

It is a junction number, because it is equal to n+sod(n) for n = 304022099 and 304022108.

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 3 ways as a sum of consecutive naturals, for example, 37048 + ... + 44503.

Almost surely, 2^304022128 is an apocalyptic number.

It is an amenable number.

304022128 is a deficient number, since it is larger than the sum of its proper divisors (287556080).

304022128 is a wasteful number, since it uses less digits than its factorization.

304022128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81792 (or 81786 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 304022128 is about 17436.2303265356. The cubic root of 304022128 is about 672.4113953920.

The spelling of 304022128 in words is "three hundred four million, twenty-two thousand, one hundred twenty-eight".