22112204331 has 8 divisors (see below), whose sum is σ = 33694787584. Its totient is φ = 12635545320.

The previous prime is 22112204299. The next prime is 22112204339. The reversal of 22112204331 is 13340221122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22112204331 - 2⁵ = 22112204299 is a prime.

It is a super-2 number, since 2×22112204331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1052962111 = 22112204331 / (2 + 2 + 1 + 1 + 2 + 2 + 0 + 4 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112204298 and 22112204307.

It is not an unprimeable number, because it can be changed into a prime (22112204339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526481035 + ... + 526481076.

It is an arithmetic number, because the mean of its divisors is an integer number (4211848448).

Almost surely, 2^22112204331 is an apocalyptic number.

22112204331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22112204331 is a deficient number, since it is larger than the sum of its proper divisors (11582583253).

22112204331 is a wasteful number, since it uses less digits than its factorization.

22112204331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052962121.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22112204331 its reverse (13340221122), we get a palindrome (35452425453).

The spelling of 22112204331 in words is "twenty-two billion, one hundred twelve million, two hundred four thousand, three hundred thirty-one".