302228313 has 16 divisors (see below), whose sum is σ = 411272640. Its totient is φ = 197347904.

The previous prime is 302228309. The next prime is 302228323. The reversal of 302228313 is 313822203.

It is a cyclic number.

It is not a de Polignac number, because 302228313 - 2² = 302228309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (302228323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121678 + ... + 124136.

It is an arithmetic number, because the mean of its divisors is an integer number (25704540).

Almost surely, 2^302228313 is an apocalyptic number.

It is an amenable number.

302228313 is a deficient number, since it is larger than the sum of its proper divisors (109044327).

302228313 is a wasteful number, since it uses less digits than its factorization.

302228313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 302228313 is about 17384.7149243236. The cubic root of 302228313 is about 671.0863145161.

The spelling of 302228313 in words is "three hundred two million, two hundred twenty-eight thousand, three hundred thirteen".