302213222 has 8 divisors (see below), whose sum is σ = 461003400. Its totient is φ = 148545424.

The previous prime is 302213213. The next prime is 302213257. The reversal of 302213222 is 222312203.

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 302213222.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1280447 + ... + 1280682.

It is an arithmetic number, because the mean of its divisors is an integer number (57625425).

Almost surely, 2^302213222 is an apocalyptic number.

302213222 is a deficient number, since it is larger than the sum of its proper divisors (158790178).

302213222 is a wasteful number, since it uses less digits than its factorization.

302213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561190.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302213222 is about 17384.2808882047. The cubic root of 302213222 is about 671.0751446690.

Adding to 302213222 its reverse (222312203), we get a palindrome (524525425).

The spelling of 302213222 in words is "three hundred two million, two hundred thirteen thousand, two hundred twenty-two".