202222012220 has 24 divisors (see below), whose sum is σ = 424710106800. Its totient is φ = 80880446592.

The previous prime is 202222012189. The next prime is 202222012231. The reversal of 202222012220 is 22210222202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322130 + ... + 712889.

It is an arithmetic number, because the mean of its divisors is an integer number (17696254450).

Almost surely, 2^202222012220 is an apocalyptic number.

202222012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222012220 is an abundant number, since it is smaller than the sum of its proper divisors (222488094580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202222012220 is a wasteful number, since it uses less digits than its factorization.

202222012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044797 (or 1044795 counting only the distinct ones).

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

Adding to 202222012220 its reverse (22210222202), we get a palindrome (224432234422).

The spelling of 202222012220 in words is "two hundred two billion, two hundred twenty-two million, twelve thousand, two hundred twenty".