2218126045 has 8 divisors (see below), whose sum is σ = 2753535960. Its totient is φ = 1713311040.

The previous prime is 2218126039. The next prime is 2218126067. The reversal of 2218126045 is 5406218122.

It can be written as a sum of positive squares in 4 ways, for example, as 465782724 + 1752343321 = 21582^2 + 41861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2218126045 - 2⁵ = 2218126013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2218125998 and 2218126016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7648566 + ... + 7648855.

It is an arithmetic number, because the mean of its divisors is an integer number (344191995).

Almost surely, 2^2218126045 is an apocalyptic number.

It is an amenable number.

2218126045 is a deficient number, since it is larger than the sum of its proper divisors (535409915).

2218126045 is a wasteful number, since it uses less digits than its factorization.

2218126045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297455.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2218126045 is about 47096.9855192453. The cubic root of 2218126045 is about 1304.1535876545.

The spelling of 2218126045 in words is "two billion, two hundred eighteen million, one hundred twenty-six thousand, forty-five".