222221102021022 has 48 divisors (see below), whose sum is σ = 481264560730800. Its totient is φ = 68375061720576.

The previous prime is 222221102020997. The next prime is 222221102021041. The reversal of 222221102021022 is 220120201122222.

It is a self number, because there is not a number n which added to its sum of digits gives 222221102021022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109394854 + ... + 111407702.

It is an arithmetic number, because the mean of its divisors is an integer number (10026345015225).

Almost surely, 2^{222221102021022} is an apocalyptic number.

222221102021022 is an abundant number, since it is smaller than the sum of its proper divisors (259043458709778).

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

222221102021022 is a wasteful number, since it uses less digits than its factorization.

222221102021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121757 (or 2121744 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222221102021022 its reverse (220120201122222), we get a palindrome (442341303143244).

The spelling of 222221102021022 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred two million, twenty-one thousand, twenty-two".