22002202221 has 8 divisors (see below), whose sum is σ = 29337672000. Its totient is φ = 14667433632.

The previous prime is 22002202199. The next prime is 22002202253. The reversal of 22002202221 is 12220220022.

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

It is not a de Polignac number, because 22002202221 - 2⁷ = 22002202093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22002202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97096 + ... + 231153.

It is an arithmetic number, because the mean of its divisors is an integer number (3667209000).

Almost surely, 2^22002202221 is an apocalyptic number.

It is an amenable number.

22002202221 is a deficient number, since it is larger than the sum of its proper divisors (7335469779).

22002202221 is a wasteful number, since it uses less digits than its factorization.

22002202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350595.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22002202221 its reverse (12220220022), we get a palindrome (34222422243).

The spelling of 22002202221 in words is "twenty-two billion, two million, two hundred two thousand, two hundred twenty-one".