2220423111 has 20 divisors (see below), whose sum is σ = 3335275944. Its totient is φ = 1472094000.

The previous prime is 2220423103. The next prime is 2220423133. The reversal of 2220423111 is 1113240222.

It is a happy number.

It is not a de Polignac number, because 2220423111 - 2³ = 2220423103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220423911) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 61065 + ... + 90386.

Almost surely, 2^2220423111 is an apocalyptic number.

2220423111 is a deficient number, since it is larger than the sum of its proper divisors (1114852833).

2220423111 is a wasteful number, since it uses less digits than its factorization.

2220423111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151644 (or 151635 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2220423111 is about 47121.3657590694. The cubic root of 2220423111 is about 1304.6036211942.

Adding to 2220423111 its reverse (1113240222), we get a palindrome (3333663333).

The spelling of 2220423111 in words is "two billion, two hundred twenty million, four hundred twenty-three thousand, one hundred eleven".