22102200221 has 8 divisors (see below), whose sum is σ = 23103150144. Its totient is φ = 21104582400.

The previous prime is 22102200187. The next prime is 22102200247. The reversal of 22102200221 is 12200220122.

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

It is a cyclic number.

It is not a de Polignac number, because 22102200221 - 2¹⁸ = 22101938077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102200196 and 22102200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819455 + ... + 845996.

It is an arithmetic number, because the mean of its divisors is an integer number (2887893768).

Almost surely, 2^22102200221 is an apocalyptic number.

It is an amenable number.

22102200221 is a deficient number, since it is larger than the sum of its proper divisors (1000949923).

22102200221 is a wasteful number, since it uses less digits than its factorization.

22102200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666051.

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

Adding to 22102200221 its reverse (12200220122), we get a palindrome (34302420343).

The spelling of 22102200221 in words is "twenty-two billion, one hundred two million, two hundred thousand, two hundred twenty-one".