23222322444021 has 16 divisors (see below), whose sum is σ = 32031507417600. Its totient is φ = 14947366811328.

The previous prime is 23222322444001. The next prime is 23222322444043. The reversal of 23222322444021 is 12044422322232.

It is not a de Polignac number, because 23222322444021 - 2⁵ = 23222322443989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222322444001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942915 + ... + 6879951.

It is an arithmetic number, because the mean of its divisors is an integer number (2001969213600).

Almost surely, 2^{23222322444021} is an apocalyptic number.

It is an amenable number.

23222322444021 is a deficient number, since it is larger than the sum of its proper divisors (8809184973579).

23222322444021 is a wasteful number, since it uses less digits than its factorization.

23222322444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982028.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 23222322444021 its reverse (12044422322232), we get a palindrome (35266744766253).

The spelling of 23222322444021 in words is "twenty-three trillion, two hundred twenty-two billion, three hundred twenty-two million, four hundred forty-four thousand, twenty-one".