22222120000022 has 4 divisors (see below), whose sum is σ = 33333180000036. Its totient is φ = 11111060000010.

The previous prime is 22222120000009. The next prime is 22222120000037. The reversal of 22222120000022 is 22000002122222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5555530000004 + ... + 5555530000007.

It is an arithmetic number, because the mean of its divisors is an integer number (8333295000009).

Almost surely, 2^{22222120000022} is an apocalyptic number.

22222120000022 is a deficient number, since it is larger than the sum of its proper divisors (11111060000014).

22222120000022 is a wasteful number, since it uses less digits than its factorization.

22222120000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111060000013.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22222120000022 its reverse (22000002122222), we get a palindrome (44222122122244).

The spelling of 22222120000022 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two", and thus it is an aban number.