2220423404 has 24 divisors (see below), whose sum is σ = 4056998400. Its totient is φ = 1061336144.

The previous prime is 2220423343. The next prime is 2220423419. The reversal of 2220423404 is 4043240222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 2220423404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183947 + ... + 195645.

It is an arithmetic number, because the mean of its divisors is an integer number (169041600).

Almost surely, 2^2220423404 is an apocalyptic number.

It is an amenable number.

2220423404 is a deficient number, since it is larger than the sum of its proper divisors (1836574996).

2220423404 is a wasteful number, since it uses less digits than its factorization.

2220423404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13789 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2220423404 is about 47121.3688680624. The cubic root of 2220423404 is about 1304.6036785779.

Adding to 2220423404 its reverse (4043240222), we get a palindrome (6263663626).

The spelling of 2220423404 in words is "two billion, two hundred twenty million, four hundred twenty-three thousand, four hundred four".