222220211202 has 72 divisors (see below), whose sum is σ = 534001319280. Its totient is φ = 66235312800.

The previous prime is 222220211201. The next prime is 222220211207. The reversal of 222220211202 is 202112022222.

222220211202 is a `hidden beast` number, since 222 + 220 + 21 + 1 + 202 = 666.

222220211202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222220211202² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (222220211201) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 585949 + ... + 887567.

It is an arithmetic number, because the mean of its divisors is an integer number (7416684990).

Almost surely, 2^222220211202 is an apocalyptic number.

222220211202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220211202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267000659640).

222220211202 is an abundant number, since it is smaller than the sum of its proper divisors (311781108078).

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

222220211202 is a wasteful number, since it uses less digits than its factorization.

222220211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301760 (or 301696 counting only the distinct ones).

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

Adding to 222220211202 its reverse (202112022222), we get a palindrome (424332233424).

The spelling of 222220211202 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred two".