23221030221 has 12 divisors (see below), whose sum is σ = 34623472000. Its totient is φ = 14981309640.

The previous prime is 23221030193. The next prime is 23221030241. The reversal of 23221030221 is 12203012232.

23221030221 is a `hidden beast` number, since 232 + 210 + 3 + 0 + 221 = 666.

It is not a de Polignac number, because 23221030221 - 2⁷ = 23221030093 is a prime.

It is a super-3 number, since 3×23221030221³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23221030194 and 23221030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221030241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41614471 + ... + 41615028.

Almost surely, 2^23221030221 is an apocalyptic number.

It is an amenable number.

23221030221 is a deficient number, since it is larger than the sum of its proper divisors (11402441779).

23221030221 is a wasteful number, since it uses less digits than its factorization.

23221030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83229536 (or 83229533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23221030221 its reverse (12203012232), we get a palindrome (35424042453).

The spelling of 23221030221 in words is "twenty-three billion, two hundred twenty-one million, thirty thousand, two hundred twenty-one".