2216546123 has 12 divisors (see below), whose sum is σ = 2438895480. Its totient is φ = 2012952480.

The previous prime is 2216546119. The next prime is 2216546131. The reversal of 2216546123 is 3216456122.

2216546123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2216546123 - 2² = 2216546119 is a prime.

It is a super-2 number, since 2×2216546123² = 9826153430772662258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216546123.

It is not an unprimeable number, because it can be changed into a prime (2216546323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114311 + ... + 132287.

It is an arithmetic number, because the mean of its divisors is an integer number (203241290).

Almost surely, 2^2216546123 is an apocalyptic number.

2216546123 is a deficient number, since it is larger than the sum of its proper divisors (222349357).

2216546123 is a wasteful number, since it uses less digits than its factorization.

2216546123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018 (or 19007 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2216546123 is about 47080.2094621509. The cubic root of 2216546123 is about 1303.8438742143.

Subtracting 2216546123 from its reverse (3216456122), we obtain a palindrome (999909999).

The spelling of 2216546123 in words is "two billion, two hundred sixteen million, five hundred forty-six thousand, one hundred twenty-three".