22002220002222 has 12 divisors (see below), whose sum is σ = 47671476671520. Its totient is φ = 7334073334068.

The previous prime is 22002220002173. The next prime is 22002220002223. The reversal of 22002220002222 is 22220002220022.

22002220002222 is a `hidden beast` number, since 220 + 0 + 2 + 220 + 0 + 0 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1222345555679 = 22002220002222 / (2 + 2 + 0 + 0 + 2 + 2 + 2 + 0 + 0 + 0 + 2 + 2 + 2 + 2).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22002220002195 and 22002220002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002220002223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611172777822 + ... + 611172777857.

It is an arithmetic number, because the mean of its divisors is an integer number (3972623055960).

Almost surely, 2^{22002220002222} is an apocalyptic number.

22002220002222 is an abundant number, since it is smaller than the sum of its proper divisors (25669256669298).

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

22002220002222 is a wasteful number, since it uses less digits than its factorization.

22002220002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222345555687 (or 1222345555684 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22002220002222 its reverse (22220002220022), we get a palindrome (44222222222244).

The spelling of 22002220002222 in words is "twenty-two trillion, two billion, two hundred twenty million, two thousand, two hundred twenty-two".