22102300221 has 16 divisors (see below), whose sum is σ = 31033136640. Its totient is φ = 13953783600.

The previous prime is 22102300211. The next prime is 22102300247. The reversal of 22102300221 is 12200320122.

It is a happy number.

It is not a de Polignac number, because 22102300221 - 2³⁴ = 4922431037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102300211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69406 + ... + 221408.

It is an arithmetic number, because the mean of its divisors is an integer number (1939571040).

Almost surely, 2^22102300221 is an apocalyptic number.

It is an amenable number.

22102300221 is a deficient number, since it is larger than the sum of its proper divisors (8930836419).

22102300221 is a wasteful number, since it uses less digits than its factorization.

22102300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154576.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22102300221 its reverse (12200320122), we get a palindrome (34302620343).

The spelling of 22102300221 in words is "twenty-two billion, one hundred two million, three hundred thousand, two hundred twenty-one".