2218182023 has 4 divisors (see below), whose sum is σ = 2260034568. Its totient is φ = 2176329480.

The previous prime is 2218181983. The next prime is 2218182053. The reversal of 2218182023 is 3202818122.

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 2218182023 - 2⁸ = 2218181767 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 (2218182053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20926193 + ... + 20926298.

It is an arithmetic number, because the mean of its divisors is an integer number (565008642).

Almost surely, 2^2218182023 is an apocalyptic number.

2218182023 is a deficient number, since it is larger than the sum of its proper divisors (41852545).

2218182023 is an equidigital number, since it uses as much as digits as its factorization.

2218182023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41852544.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2218182023 is about 47097.5797998156. The cubic root of 2218182023 is about 1304.1645583710.

The spelling of 2218182023 in words is "two billion, two hundred eighteen million, one hundred eighty-two thousand, twenty-three".