300220857 has 8 divisors (see below), whose sum is σ = 444771680. Its totient is φ = 200147220.

The previous prime is 300220853. The next prime is 300220859. The reversal of 300220857 is 758022003.

It is not a de Polignac number, because 300220857 - 2² = 300220853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11119291 = 300220857 / (3 + 0 + 0 + 2 + 2 + 0 + 8 + 5 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300220857.

It is not an unprimeable number, because it can be changed into a prime (300220853) 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, 5559619 + ... + 5559672.

It is an arithmetic number, because the mean of its divisors is an integer number (55596460).

Almost surely, 2^300220857 is an apocalyptic number.

It is an amenable number.

300220857 is a deficient number, since it is larger than the sum of its proper divisors (144550823).

300220857 is a wasteful number, since it uses less digits than its factorization.

300220857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119300 (or 11119294 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 300220857 is about 17326.8824951288. The cubic root of 300220857 is about 669.5971864002.

The spelling of 300220857 in words is "three hundred million, two hundred twenty thousand, eight hundred fifty-seven".