23322333221221 has 4 divisors (see below), whose sum is σ = 23322647219212. Its totient is φ = 23322019223232.

The previous prime is 23322333221207. The next prime is 23322333221273. The reversal of 23322333221221 is 12212233322332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8436201576196 + 14886131645025 = 2904514^2 + 3858255^2 .

It is a cyclic number.

It is not a de Polignac number, because 23322333221221 - 2³³ = 23313743286629 is a prime.

It is a super-2 number, since 2×23322333221221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322333224221) 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, 156887556 + ... + 157036141.

It is an arithmetic number, because the mean of its divisors is an integer number (5830661804803).

Almost surely, 2^{23322333221221} is an apocalyptic number.

It is an amenable number.

23322333221221 is a deficient number, since it is larger than the sum of its proper divisors (313997991).

23322333221221 is an equidigital number, since it uses as much as digits as its factorization.

23322333221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313997990.

The product of its digits is 31104, while the sum is 31.

Adding to 23322333221221 its reverse (12212233322332), we get a palindrome (35534566543553).

The spelling of 23322333221221 in words is "twenty-three trillion, three hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-one".