20221413221 has 8 divisors (see below), whose sum is σ = 20264874840. Its totient is φ = 20177978368.

The previous prime is 20221413211. The next prime is 20221413259. The reversal of 20221413221 is 12231412202.

It can be written as a sum of positive squares in 4 ways, for example, as 1090650625 + 19130762596 = 33025^2 + 138314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221413221 - 2¹⁴ = 20221396837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221413193 and 20221413202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221413211) 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 7 ways as a sum of consecutive naturals, for example, 2344565 + ... + 2353173.

It is an arithmetic number, because the mean of its divisors is an integer number (2533109355).

Almost surely, 2^20221413221 is an apocalyptic number.

It is an amenable number.

20221413221 is a deficient number, since it is larger than the sum of its proper divisors (43461619).

20221413221 is an equidigital number, since it uses as much as digits as its factorization.

20221413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20221413221 its reverse (12231412202), we get a palindrome (32452825423).

The spelling of 20221413221 in words is "twenty billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred twenty-one".