2218299479 has 16 divisors (see below), whose sum is σ = 2443719456. Its totient is φ = 1996915200.

The previous prime is 2218299427. The next prime is 2218299493. The reversal of 2218299479 is 9749928122.

It is a cyclic number.

It is not a de Polignac number, because 2218299479 - 2²⁴ = 2201522263 is a prime.

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 2218299479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218299409) 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, 687089 + ... + 690309.

It is an arithmetic number, because the mean of its divisors is an integer number (152732466).

Almost surely, 2^2218299479 is an apocalyptic number.

2218299479 is a deficient number, since it is larger than the sum of its proper divisors (225419977).

2218299479 is a wasteful number, since it uses less digits than its factorization.

2218299479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826.

The product of its digits is 1306368, while the sum is 53.

The square root of 2218299479 is about 47098.8267263634. The cubic root of 2218299479 is about 1304.1875771084.

The spelling of 2218299479 in words is "two billion, two hundred eighteen million, two hundred ninety-nine thousand, four hundred seventy-nine".