22020002112222 has 32 divisors (see below), whose sum is σ = 49408418991360. Its totient is φ = 7268738559480.

The previous prime is 22020002112203. The next prime is 22020002112257. The reversal of 22020002112222 is 22221120002022.

22020002112222 is a `hidden beast` number, since 220 + 200 + 0 + 21 + 1 + 2 + 222 = 666.

It is a super-2 number, since 2×22020002112222² (a number of 27 digits) contains 22 as substring.

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 = 22020002112195 and 22020002112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979498404 + ... + 1979509527.

It is an arithmetic number, because the mean of its divisors is an integer number (1544013093480).

Almost surely, 2^{22020002112222} is an apocalyptic number.

22020002112222 is an abundant number, since it is smaller than the sum of its proper divisors (27388416879138).

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

22020002112222 is a wasteful number, since it uses less digits than its factorization.

22020002112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959008045 (or 3959008039 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020002112222 its reverse (22221120002022), we get a palindrome (44241122114244).

The spelling of 22020002112222 in words is "twenty-two trillion, twenty billion, two million, one hundred twelve thousand, two hundred twenty-two".