312022223 has 16 divisors (see below), whose sum is σ = 334368000. Its totient is φ = 290519040.

The previous prime is 312022189. The next prime is 312022231. The reversal of 312022223 is 322220213.

It is a cyclic number.

It is not a de Polignac number, because 312022223 - 2¹⁸ = 311760079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312022253) 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, 403265 + ... + 404037.

It is an arithmetic number, because the mean of its divisors is an integer number (20898000).

Almost surely, 2^312022223 is an apocalyptic number.

312022223 is a deficient number, since it is larger than the sum of its proper divisors (22345777).

312022223 is a wasteful number, since it uses less digits than its factorization.

312022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

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

The square root of 312022223 is about 17664.1507862676. The cubic root of 312022223 is about 678.2583914025.

Adding to 312022223 its reverse (322220213), we get a palindrome (634242436).

The spelling of 312022223 in words is "three hundred twelve million, twenty-two thousand, two hundred twenty-three".