306300222 has 48 divisors (see below), whose sum is σ = 686499840. Its totient is φ = 98641296.

The previous prime is 306300209. The next prime is 306300257. The reversal of 306300222 is 222003603.

306300222 is a `hidden beast` number, since 30 + 630 + 0 + 2 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 306300195 and 306300204.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 64543 + ... + 69125.

It is an arithmetic number, because the mean of its divisors is an integer number (14302080).

Almost surely, 2^306300222 is an apocalyptic number.

306300222 is an abundant number, since it is smaller than the sum of its proper divisors (380199618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306300222 is a wasteful number, since it uses less digits than its factorization.

306300222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 306300222 is about 17501.4348554626. The cubic root of 306300222 is about 674.0867187889.

Adding to 306300222 its reverse (222003603), we get a palindrome (528303825).

The spelling of 306300222 in words is "three hundred six million, three hundred thousand, two hundred twenty-two".