202222202021 has 16 divisors (see below), whose sum is σ = 236047550976. Its totient is φ = 169631569536.

The previous prime is 202222201957. The next prime is 202222202027. The reversal of 202222202021 is 120202222202.

It is a cyclic number.

It is not a de Polignac number, because 202222202021 - 2⁶ = 202222201957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222202027) 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, 7137335 + ... + 7165611.

It is an arithmetic number, because the mean of its divisors is an integer number (14752971936).

Almost surely, 2^202222202021 is an apocalyptic number.

It is an amenable number.

202222202021 is a deficient number, since it is larger than the sum of its proper divisors (33825348955).

202222202021 is a wasteful number, since it uses less digits than its factorization.

202222202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50068.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202222202021 its reverse (120202222202), we get a palindrome (322424424223).

The spelling of 202222202021 in words is "two hundred two billion, two hundred twenty-two million, two hundred two thousand, twenty-one".