301222146 has 8 divisors (see below), whose sum is σ = 602444304. Its totient is φ = 100407380.

The previous prime is 301222139. The next prime is 301222147. The reversal of 301222146 is 641222103.

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

301222146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (301222147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25101840 + ... + 25101851.

It is an arithmetic number, because the mean of its divisors is an integer number (75305538).

Almost surely, 2^301222146 is an apocalyptic number.

301222146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

301222146 is a wasteful number, since it uses less digits than its factorization.

301222146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50203696.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 301222146 is about 17355.7525333821. The cubic root of 301222146 is about 670.3407682136.

Adding to 301222146 its reverse (641222103), we get a palindrome (942444249).

The spelling of 301222146 in words is "three hundred one million, two hundred twenty-two thousand, one hundred forty-six".