22412320203 has 16 divisors (see below), whose sum is σ = 36779192576. Its totient is φ = 11821883040.

The previous prime is 22412320153. The next prime is 22412320213. The reversal of 22412320203 is 30202321422.

It is not a de Polignac number, because 22412320203 - 2¹⁷ = 22412189131 is a prime.

It is a super-2 number, since 2×22412320203² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22412320203.

It is not an unprimeable number, because it can be changed into a prime (22412320213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41047933 + ... + 41048478.

It is an arithmetic number, because the mean of its divisors is an integer number (2298699536).

Almost surely, 2^22412320203 is an apocalyptic number.

22412320203 is a deficient number, since it is larger than the sum of its proper divisors (14366872373).

22412320203 is a wasteful number, since it uses less digits than its factorization.

22412320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82096434.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22412320203 its reverse (30202321422), we get a palindrome (52614641625).

The spelling of 22412320203 in words is "twenty-two billion, four hundred twelve million, three hundred twenty thousand, two hundred three".