221211233322 has 8 divisors (see below), whose sum is σ = 442422466656. Its totient is φ = 73737077772.

The previous prime is 221211233317. The next prime is 221211233351. The reversal of 221211233322 is 223332112122.

It is a sphenic number, since it is the product of 3 distinct primes.

221211233322 is an admirable number.

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 = 221211233292 and 221211233301.

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 3 ways as a sum of consecutive naturals, for example, 18434269438 + ... + 18434269449.

It is an arithmetic number, because the mean of its divisors is an integer number (55302808332).

Almost surely, 2^221211233322 is an apocalyptic number.

221211233322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221211233322 is a wasteful number, since it uses less digits than its factorization.

221211233322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868538892.

The product of its digits is 1728, while the sum is 24.

Adding to 221211233322 its reverse (223332112122), we get a palindrome (444543345444).

The spelling of 221211233322 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred thirty-three thousand, three hundred twenty-two".