22000220001 has 16 divisors (see below), whose sum is σ = 32606228800. Its totient is φ = 14660823744.

The previous prime is 22000219999. The next prime is 22000220051. The reversal of 22000220001 is 10002200022.

It is not a de Polignac number, because 22000220001 - 2¹ = 22000219999 is a prime.

It is a super-3 number, since 3×22000220001³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000220051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98536 + ... + 231753.

It is an arithmetic number, because the mean of its divisors is an integer number (2037889300).

Almost surely, 2^22000220001 is an apocalyptic number.

It is an amenable number.

22000220001 is a deficient number, since it is larger than the sum of its proper divisors (10606008799).

22000220001 is a wasteful number, since it uses less digits than its factorization.

22000220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332765 (or 332759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22000220001 its reverse (10002200022), we get a palindrome (32002420023).

The spelling of 22000220001 in words is "twenty-two billion, two hundred twenty thousand, one".