22122011002222 has 32 divisors (see below), whose sum is σ = 36517065465600. Its totient is φ = 10023245050104.

The previous prime is 22122011002219. The next prime is 22122011002243. The reversal of 22122011002222 is 22220011022122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22122011002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23461308 + ... + 24385999.

It is an arithmetic number, because the mean of its divisors is an integer number (1141158295800).

Almost surely, 2^{22122011002222} is an apocalyptic number.

22122011002222 is a deficient number, since it is larger than the sum of its proper divisors (14395054463378).

22122011002222 is an equidigital number, since it uses as much as digits as its factorization.

22122011002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47847397 (or 47847351 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122011002222 its reverse (22220011022122), we get a palindrome (44342022024344).

The spelling of 22122011002222 in words is "twenty-two trillion, one hundred twenty-two billion, eleven million, two thousand, two hundred twenty-two".