23221203330 has 96 divisors (see below), whose sum is σ = 61979166144. Its totient is φ = 5561457408.

The previous prime is 23221203323. The next prime is 23221203331. The reversal of 23221203330 is 3330212232.

It is a junction number, because it is equal to n+sod(n) for n = 23221203297 and 23221203306.

It is not an unprimeable number, because it can be changed into a prime (23221203331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125697 + ... + 249483.

It is an arithmetic number, because the mean of its divisors is an integer number (645616314).

Almost surely, 2^23221203330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23221203330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30989583072).

23221203330 is an abundant number, since it is smaller than the sum of its proper divisors (38757962814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221203330 is a wasteful number, since it uses less digits than its factorization.

23221203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123860 (or 123847 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23221203330 its reverse (3330212232), we get a palindrome (26551415562).

The spelling of 23221203330 in words is "twenty-three billion, two hundred twenty-one million, two hundred three thousand, three hundred thirty".