310228 has 6 divisors (see below), whose sum is σ = 542906. Its totient is φ = 155112.

The previous prime is 310223. The next prime is 310229. The reversal of 310228 is 822013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 91204 = 468^2 + 302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310223) by changing a digit.

310228 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 38775 + ... + 38782.

2³¹⁰²²⁸ is an apocalyptic number.

It is an amenable number.

310228 is a deficient number, since it is larger than the sum of its proper divisors (232678).

310228 is a wasteful number, since it uses less digits than its factorization.

310228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77561 (or 77559 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 310228 is about 556.9811486936. The cubic root of 310228 is about 67.6955827246.

The spelling of 310228 in words is "three hundred ten thousand, two hundred twenty-eight".