2216654044523 has 4 divisors (see below), whose sum is σ = 2218521488040. Its totient is φ = 2214786601008.

The previous prime is 2216654044499. The next prime is 2216654044529. The reversal of 2216654044523 is 3254404566122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2216654044523 - 2¹⁸ = 2216653782379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2216654044529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 933719978 + ... + 933722351.

It is an arithmetic number, because the mean of its divisors is an integer number (554630372010).

Almost surely, 2^{2216654044523} is an apocalyptic number.

2216654044523 is a deficient number, since it is larger than the sum of its proper divisors (1867443517).

2216654044523 is a wasteful number, since it uses less digits than its factorization.

2216654044523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867443516.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 2216654044523 in words is "two trillion, two hundred sixteen billion, six hundred fifty-four million, forty-four thousand, five hundred twenty-three".