312202022223 has 16 divisors (see below), whose sum is σ = 512331524096. Its totient is φ = 164677989600.

The previous prime is 312202022213. The next prime is 312202022227. The reversal of 312202022223 is 322220202213.

It is not a de Polignac number, because 312202022223 - 2⁹ = 312202021711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 312202022223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202022227) 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, 571798303 + ... + 571798848.

It is an arithmetic number, because the mean of its divisors is an integer number (32020720256).

Almost surely, 2^312202022223 is an apocalyptic number.

312202022223 is a deficient number, since it is larger than the sum of its proper divisors (200129501873).

312202022223 is a wasteful number, since it uses less digits than its factorization.

312202022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143597174.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 312202022223 its reverse (322220202213), we get a palindrome (634422224436).

The spelling of 312202022223 in words is "three hundred twelve billion, two hundred two million, twenty-two thousand, two hundred twenty-three".