312022 has 4 divisors (see below), whose sum is σ = 468036. Its totient is φ = 156010.

The previous prime is 312007. The next prime is 312023. The reversal of 312022 is 220213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78004 + ... + 78007.

It is an arithmetic number, because the mean of its divisors is an integer number (117009).

2³¹²⁰²² is an apocalyptic number.

312022 is a deficient number, since it is larger than the sum of its proper divisors (156014).

312022 is a wasteful number, since it uses less digits than its factorization.

312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156013.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 312022 is about 558.5892945627. The cubic root of 312022 is about 67.8258229820.

Adding to 312022 its reverse (220213), we get a palindrome (532235).

Subtracting from 312022 its reverse (220213), we obtain a square (91809 = 303²).

The spelling of 312022 in words is "three hundred twelve thousand, twenty-two", and thus it is an iban number.