22202010212221 has 16 divisors (see below), whose sum is σ = 25905381424000. Its totient is φ = 19020133589184.

The previous prime is 22202010212197. The next prime is 22202010212231. The reversal of 22202010212221 is 12221201020222.

It is not a de Polignac number, because 22202010212221 - 2⁷ = 22202010212093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202010212231) 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, 16637031 + ... + 17921908.

It is an arithmetic number, because the mean of its divisors is an integer number (1619086339000).

Almost surely, 2^{22202010212221} is an apocalyptic number.

It is an amenable number.

22202010212221 is a deficient number, since it is larger than the sum of its proper divisors (3703371211779).

22202010212221 is an equidigital number, since it uses as much as digits as its factorization.

22202010212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34560833 (or 34560819 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22202010212221 its reverse (12221201020222), we get a palindrome (34423211232443).

The spelling of 22202010212221 in words is "twenty-two trillion, two hundred two billion, ten million, two hundred twelve thousand, two hundred twenty-one".