2642226556655 has 16 divisors (see below), whose sum is σ = 3623750084160. Its totient is φ = 1811749949952.

The previous prime is 2642226556643. The next prime is 2642226556729. The reversal of 2642226556655 is 5566556222462.

It is a cyclic number.

It is not a de Polignac number, because 2642226556655 - 2³⁰ = 2641152814831 is a prime.

It is a super-2 number, since 2×2642226556655² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2642226556655.

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, 263000 + ... + 2313789.

It is an arithmetic number, because the mean of its divisors is an integer number (226484380260).

Almost surely, 2^{2642226556655} is an apocalyptic number.

2642226556655 is a deficient number, since it is larger than the sum of its proper divisors (981523527505).

2642226556655 is a wasteful number, since it uses less digits than its factorization.

2642226556655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606098.

The product of its digits is 51840000, while the sum is 56.

The spelling of 2642226556655 in words is "two trillion, six hundred forty-two billion, two hundred twenty-six million, five hundred fifty-six thousand, six hundred fifty-five".