2218159824 has 20 divisors (see below), whose sum is σ = 5730246336. Its totient is φ = 739386592.

The previous prime is 2218159817. The next prime is 2218159849. The reversal of 2218159824 is 4289518122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23105784 + ... + 23105879.

Almost surely, 2^2218159824 is an apocalyptic number.

2218159824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2218159824 is an abundant number, since it is smaller than the sum of its proper divisors (3512086512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218159824 is a wasteful number, since it uses less digits than its factorization.

2218159824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46211674 (or 46211668 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 2218159824 is about 47097.3441289421. The cubic root of 2218159824 is about 1304.1602077743.

The spelling of 2218159824 in words is "two billion, two hundred eighteen million, one hundred fifty-nine thousand, eight hundred twenty-four".