222002131023222 has 128 divisors (see below), whose sum is σ = 508951208037888. Its totient is φ = 63965370470400.

The previous prime is 222002131023209. The next prime is 222002131023241. The reversal of 222002131023222 is 222320131200222.

It is a super-2 number, since 2×222002131023222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222002131023192 and 222002131023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10182268 + ... + 23402624.

It is an arithmetic number, because the mean of its divisors is an integer number (3976181312796).

Almost surely, 2^{222002131023222} is an apocalyptic number.

222002131023222 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 222002131023222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254475604018944).

222002131023222 is an abundant number, since it is smaller than the sum of its proper divisors (286949077014666).

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

222002131023222 is a wasteful number, since it uses less digits than its factorization.

222002131023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13220574.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222002131023222 its reverse (222320131200222), we get a palindrome (444322262223444).

The spelling of 222002131023222 in words is "two hundred twenty-two trillion, two billion, one hundred thirty-one million, twenty-three thousand, two hundred twenty-two".