2218093293 has 16 divisors (see below), whose sum is σ = 3185957376. Its totient is φ = 1364550720.

The previous prime is 2218093261. The next prime is 2218093327. The reversal of 2218093293 is 3923908122.

2218093293 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 2218093293 - 2⁵ = 2218093261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218093693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154063 + ... + 167843.

It is an arithmetic number, because the mean of its divisors is an integer number (199122336).

Almost surely, 2^2218093293 is an apocalyptic number.

It is an amenable number.

2218093293 is a deficient number, since it is larger than the sum of its proper divisors (967864083).

2218093293 is a wasteful number, since it uses less digits than its factorization.

2218093293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17924.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2218093293 is about 47096.6378099329. The cubic root of 2218093293 is about 1304.1471687454.

The spelling of 2218093293 in words is "two billion, two hundred eighteen million, ninety-three thousand, two hundred ninety-three".