22404223403 has 4 divisors (see below), whose sum is σ = 22404641688. Its totient is φ = 22403805120.

The previous prime is 22404223399. The next prime is 22404223447. The reversal of 22404223403 is 30432240422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22404223403 - 2² = 22404223399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22404223493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114533 + ... + 240678.

It is an arithmetic number, because the mean of its divisors is an integer number (5601160422).

Almost surely, 2^22404223403 is an apocalyptic number.

22404223403 is a deficient number, since it is larger than the sum of its proper divisors (418285).

22404223403 is an equidigital number, since it uses as much as digits as its factorization.

22404223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418284.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22404223403 its reverse (30432240422), we get a palindrome (52836463825).

The spelling of 22404223403 in words is "twenty-two billion, four hundred four million, two hundred twenty-three thousand, four hundred three".