2222222221332 has 192 divisors, whose sum is σ = 6267344912640. Its totient is φ = 678081134592.

The previous prime is 2222222221319. The next prime is 2222222221343. The reversal of 2222222221332 is 2331222222222.

2222222221332 is a `hidden beast` number, since 2 + 2 + 222 + 222 + 213 + 3 + 2 = 666.

It is a super-3 number, since 3×2222222221332³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 2222222221296 and 2222222221305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304535508 + ... + 304542804.

It is an arithmetic number, because the mean of its divisors is an integer number (32642421420).

Almost surely, 2^{2222222221332} 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 2222222221332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3133672456320).

2222222221332 is an abundant number, since it is smaller than the sum of its proper divisors (4045122691308).

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

2222222221332 is a wasteful number, since it uses less digits than its factorization.

2222222221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847 (or 11839 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 2222222221332 its reverse (2331222222222), we get a palindrome (4553444443554).

The spelling of 2222222221332 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty-two".