301213228 has 12 divisors (see below), whose sum is σ = 527934960. Its totient is φ = 150374672.

The previous prime is 301213223. The next prime is 301213229. The reversal of 301213228 is 822312103.

It is a junction number, because it is equal to n+sod(n) for n = 301213199 and 301213208.

It is not an unprimeable number, because it can be changed into a prime (301213223) 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 3 ways as a sum of consecutive naturals, for example, 55048 + ... + 60271.

It is an arithmetic number, because the mean of its divisors is an integer number (43994580).

Almost surely, 2^301213228 is an apocalyptic number.

It is an amenable number.

301213228 is a deficient number, since it is larger than the sum of its proper divisors (226721732).

301213228 is a wasteful number, since it uses less digits than its factorization.

301213228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115976 (or 115974 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 301213228 is about 17355.4956137818. The cubic root of 301213228 is about 670.3341527660.

The spelling of 301213228 in words is "three hundred one million, two hundred thirteen thousand, two hundred twenty-eight".