222020300221 has 32 divisors (see below), whose sum is σ = 238202352000. Its totient is φ = 206339374080.

The previous prime is 222020300149. The next prime is 222020300263. The reversal of 222020300221 is 122003020222.

It is a cyclic number.

It is not a de Polignac number, because 222020300221 - 2¹³ = 222020292029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222020300195 and 222020300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020304221) 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 31 ways as a sum of consecutive naturals, for example, 81834361 + ... + 81837073.

It is an arithmetic number, because the mean of its divisors is an integer number (7443823500).

Almost surely, 2^222020300221 is an apocalyptic number.

It is an amenable number.

222020300221 is a deficient number, since it is larger than the sum of its proper divisors (16182051779).

222020300221 is a wasteful number, since it uses less digits than its factorization.

222020300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 222020300221 its reverse (122003020222), we get a palindrome (344023320443).

The spelling of 222020300221 in words is "two hundred twenty-two billion, twenty million, three hundred thousand, two hundred twenty-one".