23322132330221 has 4 divisors (see below), whose sum is σ = 24549612979200. Its totient is φ = 22094651681244.

The previous prime is 23322132330197. The next prime is 23322132330283. The reversal of 23322132330221 is 12203323122332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-23322132330221 is a prime.

It is a super-2 number, since 2×23322132330221² (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 (23322132330521) 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, 613740324461 + ... + 613740324498.

It is an arithmetic number, because the mean of its divisors is an integer number (6137403244800).

Almost surely, 2^{23322132330221} is an apocalyptic number.

It is an amenable number.

23322132330221 is a deficient number, since it is larger than the sum of its proper divisors (1227480648979).

23322132330221 is a wasteful number, since it uses less digits than its factorization.

23322132330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227480648978.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 23322132330221 its reverse (12203323122332), we get a palindrome (35525455452553).

The spelling of 23322132330221 in words is "twenty-three trillion, three hundred twenty-two billion, one hundred thirty-two million, three hundred thirty thousand, two hundred twenty-one".