22001216322 has 8 divisors (see below), whose sum is σ = 44002432656. Its totient is φ = 7333738772.

The previous prime is 22001216287. The next prime is 22001216333. The reversal of 22001216322 is 22361210022.

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

22001216322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833434688 + ... + 1833434699.

It is an arithmetic number, because the mean of its divisors is an integer number (5500304082).

Almost surely, 2^22001216322 is an apocalyptic number.

22001216322 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.

22001216322 is a wasteful number, since it uses less digits than its factorization.

22001216322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666869392.

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

Adding to 22001216322 its reverse (22361210022), we get a palindrome (44362426344).

The spelling of 22001216322 in words is "twenty-two billion, one million, two hundred sixteen thousand, three hundred twenty-two".