22132311222 has 16 divisors (see below), whose sum is σ = 50588140032. Its totient is φ = 6323517480.

The previous prime is 22132311211. The next prime is 22132311241. The reversal of 22132311222 is 22211323122.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263479854 + ... + 263479937.

It is an arithmetic number, because the mean of its divisors is an integer number (3161758752).

Almost surely, 2^22132311222 is an apocalyptic number.

22132311222 is an abundant number, since it is smaller than the sum of its proper divisors (28455828810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22132311222 is a wasteful number, since it uses less digits than its factorization.

22132311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526959803.

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

Adding to 22132311222 its reverse (22211323122), we get a palindrome (44343634344).

The spelling of 22132311222 in words is "twenty-two billion, one hundred thirty-two million, three hundred eleven thousand, two hundred twenty-two".