2215770188964 has 24 divisors (see below), whose sum is σ = 5173308194208. Its totient is φ = 738136098240.

The previous prime is 2215770188869. The next prime is 2215770189013. The reversal of 2215770188964 is 4698810775122.

It is a junction number, because it is equal to n+sod(n) for n = 2215770188898 and 2215770188907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56725257 + ... + 56764304.

It is an arithmetic number, because the mean of its divisors is an integer number (215554508092).

Almost surely, 2^{2215770188964} is an apocalyptic number.

It is an amenable number.

2215770188964 is an abundant number, since it is smaller than the sum of its proper divisors (2957538005244).

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

2215770188964 is a wasteful number, since it uses less digits than its factorization.

2215770188964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113491195 (or 113491193 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 2215770188964 in words is "two trillion, two hundred fifteen billion, seven hundred seventy million, one hundred eighty-eight thousand, nine hundred sixty-four".