2217067042556 has 24 divisors (see below), whose sum is σ = 3979847710944. Its totient is φ = 1080040478720.

The previous prime is 2217067042457. The next prime is 2217067042573. The reversal of 2217067042556 is 6552407607122.

It is a self number, because there is not a number n which added to its sum of digits gives 2217067042556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8975525 + ... + 9219228.

It is an arithmetic number, because the mean of its divisors is an integer number (165826987956).

Almost surely, 2^{2217067042556} is an apocalyptic number.

It is an amenable number.

2217067042556 is a deficient number, since it is larger than the sum of its proper divisors (1762780668388).

2217067042556 is a wasteful number, since it uses less digits than its factorization.

2217067042556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195541 (or 18195539 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 2217067042556 in words is "two trillion, two hundred seventeen billion, sixty-seven million, forty-two thousand, five hundred fifty-six".