22113211443 has 16 divisors (see below), whose sum is σ = 30079101600. Its totient is φ = 14446529280.

The previous prime is 22113211411. The next prime is 22113211469. The reversal of 22113211443 is 34411231122.

It is not a de Polignac number, because 22113211443 - 2⁵ = 22113211411 is a prime.

It is a super-2 number, since 2×22113211443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22113211343) 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, 175378 + ... + 273831.

It is an arithmetic number, because the mean of its divisors is an integer number (1879943850).

Almost surely, 2^22113211443 is an apocalyptic number.

22113211443 is a deficient number, since it is larger than the sum of its proper divisors (7965890157).

22113211443 is a wasteful number, since it uses less digits than its factorization.

22113211443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449542.

The product of its digits is 1152, while the sum is 24.

Adding to 22113211443 its reverse (34411231122), we get a palindrome (56524442565).

The spelling of 22113211443 in words is "twenty-two billion, one hundred thirteen million, two hundred eleven thousand, four hundred forty-three".