2220220874868 has 48 divisors (see below), whose sum is σ = 5228296920000. Its totient is φ = 733248350208.

The previous prime is 2220220874857. The next prime is 2220220874887. The reversal of 2220220874868 is 8684780220222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220220874868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52467583 + ... + 52509881.

It is an arithmetic number, because the mean of its divisors is an integer number (108922852500).

Almost surely, 2^{2220220874868} is an apocalyptic number.

It is an amenable number.

2220220874868 is an abundant number, since it is smaller than the sum of its proper divisors (3008076045132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220220874868 is a wasteful number, since it uses less digits than its factorization.

2220220874868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82544 (or 82542 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 2220220874868 in words is "two trillion, two hundred twenty billion, two hundred twenty million, eight hundred seventy-four thousand, eight hundred sixty-eight".