22000000122222 has 16 divisors (see below), whose sum is σ = 44000139001680. Its totient is φ = 7333310247872.

The previous prime is 22000000122211. The next prime is 22000000122229. The reversal of 22000000122222 is 22222100000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000000122229) by changing a digit.

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, 3660543 + ... + 7576250.

It is an arithmetic number, because the mean of its divisors is an integer number (2750008687605).

Almost surely, 2^{22000000122222} is an apocalyptic number.

22000000122222 is an abundant number, since it is smaller than the sum of its proper divisors (22000138879458).

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

22000000122222 is a wasteful number, since it uses less digits than its factorization.

22000000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563107.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22000000122222 its reverse (22222100000022), we get a palindrome (44222100122244).

The spelling of 22000000122222 in words is "twenty-two trillion, one hundred twenty-two thousand, two hundred twenty-two".