306428822 has 8 divisors (see below), whose sum is σ = 525306576. Its totient is φ = 131326632.

The previous prime is 306428821. The next prime is 306428833. The reversal of 306428822 is 228824603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306428821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10943873 + ... + 10943900.

It is an arithmetic number, because the mean of its divisors is an integer number (65663322).

Almost surely, 2^306428822 is an apocalyptic number.

306428822 is a deficient number, since it is larger than the sum of its proper divisors (218877754).

306428822 is a wasteful number, since it uses less digits than its factorization.

306428822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887782.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 306428822 is about 17505.1084543912. The cubic root of 306428822 is about 674.1810439169.

The spelling of 306428822 in words is "three hundred six million, four hundred twenty-eight thousand, eight hundred twenty-two".