2220344311868 has 12 divisors (see below), whose sum is σ = 3885618368520. Its totient is φ = 1110167635152.

The previous prime is 2220344311799. The next prime is 2220344311897. The reversal of 2220344311868 is 8681134430222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131330 + ... + 2111382.

It is an arithmetic number, because the mean of its divisors is an integer number (323801530710).

Almost surely, 2^{2220344311868} is an apocalyptic number.

It is an amenable number.

2220344311868 is a deficient number, since it is larger than the sum of its proper divisors (1665274056652).

2220344311868 is a wasteful number, since it uses less digits than its factorization.

2220344311868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260396 (or 2260394 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 2220344311868 in words is "two trillion, two hundred twenty billion, three hundred forty-four million, three hundred eleven thousand, eight hundred sixty-eight".