202122020222 has 24 divisors (see below), whose sum is σ = 305986773456. Its totient is φ = 100134086976.

The previous prime is 202122020203. The next prime is 202122020231. The reversal of 202122020222 is 222020221202.

It is a super-2 number, since 2×202122020222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202122020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17901863 + ... + 17913149.

It is an arithmetic number, because the mean of its divisors is an integer number (12749448894).

Almost surely, 2^202122020222 is an apocalyptic number.

202122020222 is a deficient number, since it is larger than the sum of its proper divisors (103864753234).

202122020222 is a wasteful number, since it uses less digits than its factorization.

202122020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952 (or 11789 counting only the distinct ones).

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

Adding to 202122020222 its reverse (222020221202), we get a palindrome (424142241424).

The spelling of 202122020222 in words is "two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred twenty-two".