2212223322164 has 12 divisors (see below), whose sum is σ = 3879862131684. Its totient is φ = 1103691284544.

The previous prime is 2212223322107. The next prime is 2212223322173. The reversal of 2212223322164 is 4612233222122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1895826072100 + 316397250064 = 1376890^2 + 562492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212223322164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605092079 + ... + 605095734.

It is an arithmetic number, because the mean of its divisors is an integer number (323321844307).

Almost surely, 2^{2212223322164} is an apocalyptic number.

It is an amenable number.

2212223322164 is a deficient number, since it is larger than the sum of its proper divisors (1667638809520).

2212223322164 is a wasteful number, since it uses less digits than its factorization.

2212223322164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210188274 (or 1210188272 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 2212223322164 its reverse (4612233222122), we get a palindrome (6824456544286).

The spelling of 2212223322164 in words is "two trillion, two hundred twelve billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred sixty-four".