312282 has 16 divisors (see below), whose sum is σ = 694080. Its totient is φ = 104076.

The previous prime is 312281. The next prime is 312283. The reversal of 312282 is 282213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312281) and next prime (312283).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 3⁶ + 1 + 2⁸ + 2¹⁴ + 8⁵ + 2¹⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 2945.

It is an arithmetic number, because the mean of its divisors is an integer number (43380).

2³¹²²⁸² is an apocalyptic number.

312282 is an abundant number, since it is smaller than the sum of its proper divisors (381798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312282 is a wasteful number, since it uses less digits than its factorization.

312282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794 (or 5788 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 312282 is about 558.8219752300. The cubic root of 312282 is about 67.8446569297.

Adding to 312282 its reverse (282213), we get a palindrome (594495).

The spelling of 312282 in words is "three hundred twelve thousand, two hundred eighty-two".