222202300221 has 32 divisors (see below), whose sum is σ = 359150745600. Its totient is φ = 134654592240.

The previous prime is 222202300193. The next prime is 222202300237. The reversal of 222202300221 is 122003202222.

It is not a de Polignac number, because 222202300221 - 2⁵ = 222202300189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222202300194 and 222202300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202300291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3498970 + ... + 3561908.

It is an arithmetic number, because the mean of its divisors is an integer number (11223460800).

Almost surely, 2^222202300221 is an apocalyptic number.

It is an amenable number.

222202300221 is a deficient number, since it is larger than the sum of its proper divisors (136948445379).

222202300221 is a wasteful number, since it uses less digits than its factorization.

222202300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74846 (or 74840 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222202300221 its reverse (122003202222), we get a palindrome (344205502443).

The spelling of 222202300221 in words is "two hundred twenty-two billion, two hundred two million, three hundred thousand, two hundred twenty-one".