202202202221 has 8 divisors (see below), whose sum is σ = 203218877280. Its totient is φ = 201186690192.

The previous prime is 202202202151. The next prime is 202202202227. The reversal of 202202202221 is 122202202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202202202221 - 2¹⁴ = 202202185837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202202202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58886 + ... + 638648.

It is an arithmetic number, because the mean of its divisors is an integer number (25402359660).

Almost surely, 2^202202202221 is an apocalyptic number.

It is an amenable number.

202202202221 is a deficient number, since it is larger than the sum of its proper divisors (1016675059).

202202202221 is a wasteful number, since it uses less digits than its factorization.

202202202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581515.

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

Adding to 202202202221 its reverse (122202202202), we get a palindrome (324404404423).

The spelling of 202202202221 in words is "two hundred two billion, two hundred two million, two hundred two thousand, two hundred twenty-one".