22000013112222 has 96 divisors (see below), whose sum is σ = 50866383885408. Its totient is φ = 6848052553728.

The previous prime is 22000013112197. The next prime is 22000013112227. The reversal of 22000013112222 is 22221131000022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22000013112195 and 22000013112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000013112227) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 19632168 + ... + 20722500.

It is an arithmetic number, because the mean of its divisors is an integer number (529858165473).

Almost surely, 2^{22000013112222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000013112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25433191942704).

22000013112222 is an abundant number, since it is smaller than the sum of its proper divisors (28866370773186).

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

22000013112222 is a wasteful number, since it uses less digits than its factorization.

22000013112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090874 (or 1090871 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22000013112222 its reverse (22221131000022), we get a palindrome (44221144112244).

The spelling of 22000013112222 in words is "twenty-two trillion, thirteen million, one hundred twelve thousand, two hundred twenty-two".