22212100221022 has 4 divisors (see below), whose sum is σ = 33318150331536. Its totient is φ = 11106050110510.

The previous prime is 22212100221007. The next prime is 22212100221089. The reversal of 22212100221022 is 22012200121222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553025055254 + ... + 5553025055257.

It is an arithmetic number, because the mean of its divisors is an integer number (8329537582884).

Almost surely, 2^{22212100221022} is an apocalyptic number.

22212100221022 is a deficient number, since it is larger than the sum of its proper divisors (11106050110514).

22212100221022 is a wasteful number, since it uses less digits than its factorization.

22212100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106050110513.

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

Adding to 22212100221022 its reverse (22012200121222), we get a palindrome (44224300342244).

The spelling of 22212100221022 in words is "twenty-two trillion, two hundred twelve billion, one hundred million, two hundred twenty-one thousand, twenty-two".