10220323221 has 24 divisors (see below), whose sum is σ = 14835228096. Its totient is φ = 6780153600.

The previous prime is 10220323199. The next prime is 10220323273. The reversal of 10220323221 is 12232302201.

10220323221 is a `hidden beast` number, since 102 + 20 + 323 + 221 = 666.

It is not a de Polignac number, because 10220323221 - 2⁵ = 10220323189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220323194 and 10220323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220324221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1658496 + ... + 1664646.

It is an arithmetic number, because the mean of its divisors is an integer number (618134504).

Almost surely, 2^10220323221 is an apocalyptic number.

It is an amenable number.

10220323221 is a deficient number, since it is larger than the sum of its proper divisors (4614904875).

10220323221 is a wasteful number, since it uses less digits than its factorization.

10220323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7030 counting only the distinct ones).

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

Adding to 10220323221 its reverse (12232302201), we get a palindrome (22452625422).

The spelling of 10220323221 in words is "ten billion, two hundred twenty million, three hundred twenty-three thousand, two hundred twenty-one".