22000002022222 has 16 divisors (see below), whose sum is σ = 37822353055200. Its totient is φ = 9401556326688.

The previous prime is 22000002022211. The next prime is 22000002022291. The reversal of 22000002022222 is 22222020000022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000002022196 and 22000002022205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251325653 + ... + 2251335424.

It is an arithmetic number, because the mean of its divisors is an integer number (2363897065950).

Almost surely, 2^{22000002022222} is an apocalyptic number.

22000002022222 is a deficient number, since it is larger than the sum of its proper divisors (15822351032978).

22000002022222 is a wasteful number, since it uses less digits than its factorization.

22000002022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502661435.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22000002022222 its reverse (22222020000022), we get a palindrome (44222022022244).

The spelling of 22000002022222 in words is "twenty-two trillion, two million, twenty-two thousand, two hundred twenty-two".