10223030221 has 4 divisors (see below), whose sum is σ = 10324248444. Its totient is φ = 10121812000.

The previous prime is 10223030173. The next prime is 10223030243. The reversal of 10223030221 is 12203032201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5236693225 + 4986336996 = 72365^2 + 70614^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223030221 - 2⁷ = 10223030093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10223030195 and 10223030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223030261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50608960 + ... + 50609161.

It is an arithmetic number, because the mean of its divisors is an integer number (2581062111).

Almost surely, 2^10223030221 is an apocalyptic number.

It is an amenable number.

10223030221 is a deficient number, since it is larger than the sum of its proper divisors (101218223).

10223030221 is a wasteful number, since it uses less digits than its factorization.

10223030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101218222.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10223030221 its reverse (12203032201), we get a palindrome (22426062422).

The spelling of 10223030221 in words is "ten billion, two hundred twenty-three million, thirty thousand, two hundred twenty-one".