22112132222 has 64 divisors (see below), whose sum is σ = 35458093440. Its totient is φ = 10326220800.

The previous prime is 22112132221. The next prime is 22112132249. The reversal of 22112132222 is 22223121122.

It is a junction number, because it is equal to n+sod(n) for n = 22112132194 and 22112132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112132221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78690722 + ... + 78691002.

It is an arithmetic number, because the mean of its divisors is an integer number (554032710).

Almost surely, 2^22112132222 is an apocalyptic number.

22112132222 is a deficient number, since it is larger than the sum of its proper divisors (13345961218).

22112132222 is a wasteful number, since it uses less digits than its factorization.

22112132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 384, while the sum is 20.

Adding to 22112132222 its reverse (22223121122), we get a palindrome (44335253344).

The spelling of 22112132222 in words is "twenty-two billion, one hundred twelve million, one hundred thirty-two thousand, two hundred twenty-two".