221222313302022 has 128 divisors (see below), whose sum is σ = 518060809728000. Its totient is φ = 69836878235520.

The previous prime is 221222313302021. The next prime is 221222313302033. The reversal of 221222313302022 is 220203313222122.

221222313302022 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 22 + 313 + 302 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222313302021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186365379 + ... + 187548657.

It is an arithmetic number, because the mean of its divisors is an integer number (4047350076000).

Almost surely, 2^{221222313302022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221222313302022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259030404864000).

221222313302022 is an abundant number, since it is smaller than the sum of its proper divisors (296838496425978).

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

221222313302022 is a wasteful number, since it uses less digits than its factorization.

221222313302022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184803 (or 1184797 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221222313302022 its reverse (220203313222122), we get a palindrome (441425626524144).

The spelling of 221222313302022 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, three hundred thirteen million, three hundred two thousand, twenty-two".