22043220403 has 16 divisors (see below), whose sum is σ = 22656623616. Its totient is φ = 21440220480.

The previous prime is 22043220377. The next prime is 22043220439. The reversal of 22043220403 is 30402234022.

It is a cyclic number.

It is not a de Polignac number, because 22043220403 - 2¹³ = 22043212211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043220103) 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 15 ways as a sum of consecutive naturals, for example, 1578550 + ... + 1592452.

It is an arithmetic number, because the mean of its divisors is an integer number (1416038976).

Almost surely, 2^22043220403 is an apocalyptic number.

22043220403 is a deficient number, since it is larger than the sum of its proper divisors (613403213).

22043220403 is a wasteful number, since it uses less digits than its factorization.

22043220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22043220403 its reverse (30402234022), we get a palindrome (52445454425).

The spelling of 22043220403 in words is "twenty-two billion, forty-three million, two hundred twenty thousand, four hundred three".