2223312320321 has 8 divisors (see below), whose sum is σ = 2240913607680. Its totient is φ = 2205712515888.

The previous prime is 2223312320297. The next prime is 2223312320363. The reversal of 2223312320321 is 1230232133222.

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

It is a cyclic number.

It is not a de Polignac number, because 2223312320321 - 2¹⁰ = 2223312319297 is a prime.

It is a super-2 number, since 2×2223312320321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223312320381) 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, 2742755 + ... + 3459671.

It is an arithmetic number, because the mean of its divisors is an integer number (280114200960).

Almost surely, 2^{2223312320321} is an apocalyptic number.

It is an amenable number.

2223312320321 is a deficient number, since it is larger than the sum of its proper divisors (17601287359).

2223312320321 is a wasteful number, since it uses less digits than its factorization.

2223312320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741463.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2223312320321 its reverse (1230232133222), we get a palindrome (3453544453543).

The spelling of 2223312320321 in words is "two trillion, two hundred twenty-three billion, three hundred twelve million, three hundred twenty thousand, three hundred twenty-one".