202022222022 has 96 divisors (see below), whose sum is σ = 460860192000. Its totient is φ = 63864319680.

The previous prime is 202022221997. The next prime is 202022222117. The reversal of 202022222022 is 220222220202.

202022222022 is a `hidden beast` number, since 202 + 0 + 222 + 220 + 22 = 666.

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 = 202022221986 and 202022222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57867697 + ... + 57871187.

It is an arithmetic number, because the mean of its divisors is an integer number (4800627000).

Almost surely, 2^202022222022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202022222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230430096000).

202022222022 is an abundant number, since it is smaller than the sum of its proper divisors (258837969978).

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

202022222022 is a wasteful number, since it uses less digits than its factorization.

202022222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202022222022 its reverse (220222220202), we get a palindrome (422244442224).

The spelling of 202022222022 in words is "two hundred two billion, twenty-two million, two hundred twenty-two thousand, twenty-two".