302221214 has 4 divisors (see below), whose sum is σ = 453331824. Its totient is φ = 151110606.

The previous prime is 302221193. The next prime is 302221259. The reversal of 302221214 is 412122203.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 302221192 and 302221201.

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 as a sum of consecutive naturals, namely, 75555302 + ... + 75555305.

It is an arithmetic number, because the mean of its divisors is an integer number (113332956).

Almost surely, 2^302221214 is an apocalyptic number.

302221214 is a deficient number, since it is larger than the sum of its proper divisors (151110610).

302221214 is a wasteful number, since it uses less digits than its factorization.

302221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151110609.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 302221214 is about 17384.5107495149. The cubic root of 302221214 is about 671.0810601230.

Adding to 302221214 its reverse (412122203), we get a palindrome (714343417).

The spelling of 302221214 in words is "three hundred two million, two hundred twenty-one thousand, two hundred fourteen".