202211202222 has 64 divisors (see below), whose sum is σ = 460466798400. Its totient is φ = 65738511360.

The previous prime is 202211202203. The next prime is 202211202239. The reversal of 202211202222 is 222202112202.

202211202222 is a `hidden beast` number, since 20 + 221 + 1 + 202 + 222 = 666.

202211202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202211202195 and 202211202204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7773654 + ... + 7799622.

It is an arithmetic number, because the mean of its divisors is an integer number (7194793725).

Almost surely, 2^202211202222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202211202222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230233399200).

202211202222 is an abundant number, since it is smaller than the sum of its proper divisors (258255596178).

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

202211202222 is a wasteful number, since it uses less digits than its factorization.

202211202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538 (or 29532 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202211202222 its reverse (222202112202), we get a palindrome (424413314424).

The spelling of 202211202222 in words is "two hundred two billion, two hundred eleven million, two hundred two thousand, two hundred twenty-two".