22102202303221 has 4 divisors (see below), whose sum is σ = 22381977016000. Its totient is φ = 21822427590444.

The previous prime is 22102202303177. The next prime is 22102202303273. The reversal of 22102202303221 is 12230320220122.

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 22102202303221 - 2³¹ = 22100054819573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102202303192 and 22102202303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102202303921) 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, 139887356271 + ... + 139887356428.

It is an arithmetic number, because the mean of its divisors is an integer number (5595494254000).

Almost surely, 2^{22102202303221} is an apocalyptic number.

It is an amenable number.

22102202303221 is a deficient number, since it is larger than the sum of its proper divisors (279774712779).

22102202303221 is an equidigital number, since it uses as much as digits as its factorization.

22102202303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279774712778.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22102202303221 its reverse (12230320220122), we get a palindrome (34332522523343).

The spelling of 22102202303221 in words is "twenty-two trillion, one hundred two billion, two hundred two million, three hundred three thousand, two hundred twenty-one".