222220202022 has 288 divisors, whose sum is σ = 638605513728. Its totient is φ = 54539806464.

The previous prime is 222220201997. The next prime is 222220202027. The reversal of 222220202022 is 220202022222.

222220202022 is a `hidden beast` number, since 222 + 220 + 20 + 202 + 2 = 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 = 222220201986 and 222220202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220202027) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18115063 + ... + 18127325.

It is an arithmetic number, because the mean of its divisors is an integer number (2217380256).

Almost surely, 2^222220202022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220202022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319302756864).

222220202022 is an abundant number, since it is smaller than the sum of its proper divisors (416385311706).

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

222220202022 is a wasteful number, since it uses less digits than its factorization.

222220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364 (or 12348 counting only the distinct ones).

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

Adding to 222220202022 its reverse (220202022222), we get a palindrome (442422224244).

It can be divided in two parts, 222 and 220202022, that multiplied together give a palindrome (48884848884).

The spelling of 222220202022 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, twenty-two".