22223221332 has 96 divisors (see below), whose sum is σ = 58889846400. Its totient is φ = 6466148352.

The previous prime is 22223221271. The next prime is 22223221367. The reversal of 22223221332 is 23312232222.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679928 + ... + 1693104.

It is an arithmetic number, because the mean of its divisors is an integer number (613435900).

Almost surely, 2^22223221332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223221332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29444923200).

22223221332 is an abundant number, since it is smaller than the sum of its proper divisors (36666625068).

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

22223221332 is a wasteful number, since it uses less digits than its factorization.

22223221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785 (or 13783 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

Adding to 22223221332 its reverse (23312232222), we get a palindrome (45535453554).

The spelling of 22223221332 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred thirty-two".