2218813126 has 4 divisors (see below), whose sum is σ = 3328219692. Its totient is φ = 1109406562.

The previous prime is 2218813111. The next prime is 2218813159. The reversal of 2218813126 is 6213188122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2218813091 and 2218813100.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 554703280 + ... + 554703283.

It is an arithmetic number, because the mean of its divisors is an integer number (832054923).

Almost surely, 2^2218813126 is an apocalyptic number.

2218813126 is a deficient number, since it is larger than the sum of its proper divisors (1109406566).

2218813126 is a wasteful number, since it uses less digits than its factorization.

2218813126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109406565.

The product of its digits is 9216, while the sum is 34.

The square root of 2218813126 is about 47104.2792748175. The cubic root of 2218813126 is about 1304.2882308366.

The spelling of 2218813126 in words is "two billion, two hundred eighteen million, eight hundred thirteen thousand, one hundred twenty-six".