22210020221 has 8 divisors (see below), whose sum is σ = 22482884160. Its totient is φ = 21937674528.

The previous prime is 22210020197. The next prime is 22210020241. The reversal of 22210020221 is 12202001222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22210020221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22210020196 and 22210020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210020241) 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, 42971 + ... + 215096.

It is an arithmetic number, because the mean of its divisors is an integer number (2810360520).

Almost surely, 2^22210020221 is an apocalyptic number.

It is an amenable number.

22210020221 is a deficient number, since it is larger than the sum of its proper divisors (272863939).

22210020221 is an equidigital number, since it uses as much as digits as its factorization.

22210020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259123.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22210020221 its reverse (12202001222), we get a palindrome (34412021443).

The spelling of 22210020221 in words is "twenty-two billion, two hundred ten million, twenty thousand, two hundred twenty-one".