23004122221 has 16 divisors (see below), whose sum is σ = 24682550400. Its totient is φ = 21383638848.

The previous prime is 23004122213. The next prime is 23004122293. The reversal of 23004122221 is 12222140032.

It is a cyclic number.

It is not a de Polignac number, because 23004122221 - 2³ = 23004122213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004122201) 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, 715275 + ... + 746743.

It is an arithmetic number, because the mean of its divisors is an integer number (1542659400).

Almost surely, 2^23004122221 is an apocalyptic number.

It is an amenable number.

23004122221 is a deficient number, since it is larger than the sum of its proper divisors (1678428179).

23004122221 is a wasteful number, since it uses less digits than its factorization.

23004122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32388.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23004122221 its reverse (12222140032), we get a palindrome (35226262253).

The spelling of 23004122221 in words is "twenty-three billion, four million, one hundred twenty-two thousand, two hundred twenty-one".