306054220 has 48 divisors (see below), whose sum is σ = 661909248. Its totient is φ = 118802880.

The previous prime is 306054187. The next prime is 306054251. The reversal of 306054220 is 22450603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 306054191 and 306054200.

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 15 ways as a sum of consecutive naturals, for example, 142555 + ... + 144685.

It is an arithmetic number, because the mean of its divisors is an integer number (13789776).

Almost surely, 2^306054220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306054220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330954624).

306054220 is an abundant number, since it is smaller than the sum of its proper divisors (355855028).

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

306054220 is a wasteful number, since it uses less digits than its factorization.

306054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 306054220 is about 17494.4053914387. The cubic root of 306054220 is about 673.9062084236.

The spelling of 306054220 in words is "three hundred six million, fifty-four thousand, two hundred twenty".