22221120002022 has 24 divisors (see below), whose sum is σ = 48347206708320. Its totient is φ = 7376048200080.

The previous prime is 22221120002021. The next prime is 22221120002041. The reversal of 22221120002022 is 22020002112222.

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 = 22221120001986 and 22221120002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221120002021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2582645629 + ... + 2582654232.

It is an arithmetic number, because the mean of its divisors is an integer number (2014466946180).

Almost surely, 2^{22221120002022} is an apocalyptic number.

22221120002022 is an abundant number, since it is smaller than the sum of its proper divisors (26126086706298).

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

22221120002022 is a wasteful number, since it uses less digits than its factorization.

22221120002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165300108 (or 5165300105 counting only the distinct ones).

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

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

The spelling of 22221120002022 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two thousand, twenty-two".