2218812573 has 16 divisors (see below), whose sum is σ = 2994572672. Its totient is φ = 1461240000.

The previous prime is 2218812529. The next prime is 2218812577. The reversal of 2218812573 is 3752188122.

It is not a de Polignac number, because 2218812573 - 2⁹ = 2218812061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218812577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68463 + ... + 95523.

It is an arithmetic number, because the mean of its divisors is an integer number (187160792).

Almost surely, 2^2218812573 is an apocalyptic number.

It is an amenable number.

2218812573 is a deficient number, since it is larger than the sum of its proper divisors (775760099).

2218812573 is a wasteful number, since it uses less digits than its factorization.

2218812573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396.

The product of its digits is 53760, while the sum is 39.

The square root of 2218812573 is about 47104.2734048621. The cubic root of 2218812573 is about 1304.2881224797.

The spelling of 2218812573 in words is "two billion, two hundred eighteen million, eight hundred twelve thousand, five hundred seventy-three".