22212322321 has 8 divisors (see below), whose sum is σ = 26260873920. Its totient is φ = 18382611408.

The previous prime is 22212322241. The next prime is 22212322351. The reversal of 22212322321 is 12322321222.

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

It is not a de Polignac number, because 22212322321 - 2¹³ = 22212314129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212322292 and 22212322301.

It is not an unprimeable number, because it can be changed into a prime (22212322351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54709951 + ... + 54710356.

It is an arithmetic number, because the mean of its divisors is an integer number (3282609240).

Almost surely, 2^22212322321 is an apocalyptic number.

It is an amenable number.

22212322321 is a deficient number, since it is larger than the sum of its proper divisors (4048551599).

22212322321 is a wasteful number, since it uses less digits than its factorization.

22212322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109420343.

The product of its digits is 1152, while the sum is 22.

Adding to 22212322321 its reverse (12322321222), we get a palindrome (34534643543).

The spelling of 22212322321 in words is "twenty-two billion, two hundred twelve million, three hundred twenty-two thousand, three hundred twenty-one".