2188220910964 has 24 divisors (see below), whose sum is σ = 4177626189408. Its totient is φ = 994618835040.

The previous prime is 2188220910959. The next prime is 2188220910973. The reversal of 2188220910964 is 4690190228812.

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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008619 + ... + 2322445.

It is an arithmetic number, because the mean of its divisors is an integer number (174067757892).

Almost surely, 2^{2188220910964} is an apocalyptic number.

It is an amenable number.

2188220910964 is a deficient number, since it is larger than the sum of its proper divisors (1989405278444).

2188220910964 is a wasteful number, since it uses less digits than its factorization.

2188220910964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351695 (or 1351693 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 2188220910964 in words is "two trillion, one hundred eighty-eight billion, two hundred twenty million, nine hundred ten thousand, nine hundred sixty-four".