3221222212423 has 4 divisors (see below), whose sum is σ = 3269300155960. Its totient is φ = 3173144268888.

The previous prime is 3221222212391. The next prime is 3221222212459. The reversal of 3221222212423 is 3242122221223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221222212423 - 2⁵ = 3221222212391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221222212391 and 3221222212400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221222212123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24038971668 + ... + 24038971801.

It is an arithmetic number, because the mean of its divisors is an integer number (817325038990).

Almost surely, 2^{3221222212423} is an apocalyptic number.

3221222212423 is a deficient number, since it is larger than the sum of its proper divisors (48077943537).

3221222212423 is an equidigital number, since it uses as much as digits as its factorization.

3221222212423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48077943536.

The product of its digits is 9216, while the sum is 28.

Adding to 3221222212423 its reverse (3242122221223), we get a palindrome (6463344433646).

The spelling of 3221222212423 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, four hundred twenty-three".