23322002221 has 24 divisors (see below), whose sum is σ = 27347067384. Its totient is φ = 19830666240.

The previous prime is 23322002189. The next prime is 23322002233. The reversal of 23322002221 is 12220022332.

It can be written as a sum of positive squares in 4 ways, for example, as 109956196 + 23212046025 = 10486^2 + 152355^2 .

It is not a de Polignac number, because 23322002221 - 2⁵ = 23322002189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322002621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3837241 + ... + 3843313.

It is an arithmetic number, because the mean of its divisors is an integer number (1139461141).

Almost surely, 2^23322002221 is an apocalyptic number.

It is an amenable number.

23322002221 is a deficient number, since it is larger than the sum of its proper divisors (4025065163).

23322002221 is a wasteful number, since it uses less digits than its factorization.

23322002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701 (or 6694 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23322002221 its reverse (12220022332), we get a palindrome (35542024553).

The spelling of 23322002221 in words is "twenty-three billion, three hundred twenty-two million, two thousand, two hundred twenty-one".