2218867188870 has 16 divisors (see below), whose sum is σ = 5325281253360. Its totient is φ = 591697917024.

The previous prime is 2218867188869. The next prime is 2218867188887. The reversal of 2218867188870 is 788817688122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36981119785 + ... + 36981119844.

It is an arithmetic number, because the mean of its divisors is an integer number (332830078335).

Almost surely, 2^{2218867188870} is an apocalyptic number.

2218867188870 is an abundant number, since it is smaller than the sum of its proper divisors (3106414064490).

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

2218867188870 is a wasteful number, since it uses less digits than its factorization.

2218867188870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73962239639.

The product of its (nonzero) digits is 38535168, while the sum is 66.

The spelling of 2218867188870 in words is "two trillion, two hundred eighteen billion, eight hundred sixty-seven million, one hundred eighty-eight thousand, eight hundred seventy".