302216146 has 8 divisors (see below), whose sum is σ = 453421440. Its totient is φ = 151075668.

The previous prime is 302216107. The next prime is 302216153. The reversal of 302216146 is 641612203.

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

It is a self number, because there is not a number n which added to its sum of digits gives 302216146.

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 3 ways as a sum of consecutive naturals, for example, 2086 + ... + 24673.

It is an arithmetic number, because the mean of its divisors is an integer number (56677680).

Almost surely, 2^302216146 is an apocalyptic number.

302216146 is a deficient number, since it is larger than the sum of its proper divisors (151205294).

302216146 is a wasteful number, since it uses less digits than its factorization.

302216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32408.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 302216146 is about 17384.3649869646. The cubic root of 302216146 is about 671.0773089438.

Adding to 302216146 its reverse (641612203), we get a palindrome (943828349).

The spelling of 302216146 in words is "three hundred two million, two hundred sixteen thousand, one hundred forty-six".