221222332332 has 96 divisors (see below), whose sum is σ = 583509528000. Its totient is φ = 72461260800.

The previous prime is 221222332327. The next prime is 221222332343. The reversal of 221222332332 is 233233222122.

221222332332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 221222332296 and 221222332305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6974044 + ... + 7005692.

It is an arithmetic number, because the mean of its divisors is an integer number (6078224250).

Almost surely, 2^221222332332 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 221222332332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291754764000).

221222332332 is an abundant number, since it is smaller than the sum of its proper divisors (362287195668).

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

221222332332 is a wasteful number, since it uses less digits than its factorization.

221222332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32784 (or 32776 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 221222332332 its reverse (233233222122), we get a palindrome (454455554454).

The spelling of 221222332332 in words is "two hundred twenty-one billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred thirty-two".