2218903043 has 4 divisors (see below), whose sum is σ = 2535889200. Its totient is φ = 1901916888.

The previous prime is 2218903031. The next prime is 2218903091. The reversal of 2218903043 is 3403098122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403098122 = 2 ⋅1701549061.

It is a cyclic number.

It is not a de Polignac number, because 2218903043 - 2⁸ = 2218902787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218902043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158493068 + ... + 158493081.

It is an arithmetic number, because the mean of its divisors is an integer number (633972300).

Almost surely, 2^2218903043 is an apocalyptic number.

2218903043 is a deficient number, since it is larger than the sum of its proper divisors (316986157).

2218903043 is an equidigital number, since it uses as much as digits as its factorization.

2218903043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316986156.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2218903043 is about 47105.2337113404. The cubic root of 2218903043 is about 1304.3058492800.

The spelling of 2218903043 in words is "two billion, two hundred eighteen million, nine hundred three thousand, forty-three".