20222443201 has 8 divisors (see below), whose sum is σ = 20289717000. Its totient is φ = 20155269120.

The previous prime is 20222443169. The next prime is 20222443289. The reversal of 20222443201 is 10234422202.

It can be written as a sum of positive squares in 4 ways, for example, as 4270753201 + 15951690000 = 65351^2 + 126300^2 .

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 20222443201 - 2⁵ = 20222443169 is a prime.

It is a super-2 number, since 2×20222443201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222443601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392881 + ... + 441361.

It is an arithmetic number, because the mean of its divisors is an integer number (2536214625).

Almost surely, 2^20222443201 is an apocalyptic number.

It is an amenable number.

20222443201 is a deficient number, since it is larger than the sum of its proper divisors (67273799).

20222443201 is an equidigital number, since it uses as much as digits as its factorization.

20222443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20222443201 its reverse (10234422202), we get a palindrome (30456865403).

The spelling of 20222443201 in words is "twenty billion, two hundred twenty-two million, four hundred forty-three thousand, two hundred one".