202222021013 has 4 divisors (see below), whose sum is σ = 202246135020. Its totient is φ = 202197907008.

The previous prime is 202222021003. The next prime is 202222021033. The reversal of 202222021013 is 310120222202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110813754769 + 91408266244 = 332887^2 + 302338^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222021013 - 2¹⁶ = 202221955477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202222020982 and 202222021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222021003) 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, 12044420 + ... + 12061197.

It is an arithmetic number, because the mean of its divisors is an integer number (50561533755).

Almost surely, 2^202222021013 is an apocalyptic number.

It is an amenable number.

202222021013 is a deficient number, since it is larger than the sum of its proper divisors (24114007).

202222021013 is an equidigital number, since it uses as much as digits as its factorization.

202222021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114006.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202222021013 its reverse (310120222202), we get a palindrome (512342243215).

The spelling of 202222021013 in words is "two hundred two billion, two hundred twenty-two million, twenty-one thousand, thirteen".