22210001001222 has 16 divisors (see below), whose sum is σ = 44428887840000. Its totient is φ = 7401852694152.

The previous prime is 22210001001217. The next prime is 22210001001229. The reversal of 22210001001222 is 22210010001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210001001229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370210738 + ... + 370270725.

It is an arithmetic number, because the mean of its divisors is an integer number (2776805490000).

Almost surely, 2^{22210001001222} is an apocalyptic number.

22210001001222 is an abundant number, since it is smaller than the sum of its proper divisors (22218886838778).

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

22210001001222 is a wasteful number, since it uses less digits than its factorization.

22210001001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740486467.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22210001001222 its reverse (22210010001222), we get a palindrome (44420011002444).

Subtracting 22210001001222 from its reverse (22210010001222), we obtain a square (9000000 = 3000²).

The spelling of 22210001001222 in words is "twenty-two trillion, two hundred ten billion, one million, one thousand, two hundred twenty-two".