22210221213 has 48 divisors (see below), whose sum is σ = 34594385280. Its totient is φ = 13701840768.

The previous prime is 22210221203. The next prime is 22210221259. The reversal of 22210221213 is 31212201222.

22210221213 is a `hidden beast` number, since 22 + 210 + 221 + 213 = 666.

It is not a de Polignac number, because 22210221213 - 2⁹ = 22210220701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210221203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629856 + ... + 664182.

It is an arithmetic number, because the mean of its divisors is an integer number (720716360).

Almost surely, 2^22210221213 is an apocalyptic number.

It is an amenable number.

22210221213 is a deficient number, since it is larger than the sum of its proper divisors (12384164067).

22210221213 is a wasteful number, since it uses less digits than its factorization.

22210221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34466 (or 34463 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22210221213 its reverse (31212201222), we get a palindrome (53422422435).

The spelling of 22210221213 in words is "twenty-two billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirteen".