22300212221 has 4 divisors (see below), whose sum is σ = 25485956832. Its totient is φ = 19114467612.

The previous prime is 22300212199. The next prime is 22300212223. The reversal of 22300212221 is 12221200322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22300212221 - 2¹⁴ = 22300195837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22300212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300212223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592872295 + ... + 1592872308.

It is an arithmetic number, because the mean of its divisors is an integer number (6371489208).

Almost surely, 2^22300212221 is an apocalyptic number.

It is an amenable number.

22300212221 is a deficient number, since it is larger than the sum of its proper divisors (3185744611).

22300212221 is an equidigital number, since it uses as much as digits as its factorization.

22300212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185744610.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22300212221 its reverse (12221200322), we get a palindrome (34521412543).

The spelling of 22300212221 in words is "twenty-two billion, three hundred million, two hundred twelve thousand, two hundred twenty-one".