2218881039 has 8 divisors (see below), whose sum is σ = 3007008432. Its totient is φ = 1455003840.

The previous prime is 2218881029. The next prime is 2218881053. The reversal of 2218881039 is 9301888122.

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

It is not a de Polignac number, because 2218881039 - 2⁴ = 2218881023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218881029) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6062334 + ... + 6062699.

It is an arithmetic number, because the mean of its divisors is an integer number (375876054).

Almost surely, 2^2218881039 is an apocalyptic number.

2218881039 is a deficient number, since it is larger than the sum of its proper divisors (788127393).

2218881039 is a wasteful number, since it uses less digits than its factorization.

2218881039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125097.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 2218881039 is about 47105.0001486042. Note that the first 3 decimals coincide. The cubic root of 2218881039 is about 1304.3015378342.

The spelling of 2218881039 in words is "two billion, two hundred eighteen million, eight hundred eighty-one thousand, thirty-nine".