22122200212022 has 4 divisors (see below), whose sum is σ = 33183300318036. Its totient is φ = 11061100106010.

The previous prime is 22122200212003. The next prime is 22122200212097. The reversal of 22122200212022 is 22021200222122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22122200211985 and 22122200212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530550053004 + ... + 5530550053007.

It is an arithmetic number, because the mean of its divisors is an integer number (8295825079509).

Almost surely, 2^{22122200212022} is an apocalyptic number.

22122200212022 is a deficient number, since it is larger than the sum of its proper divisors (11061100106014).

22122200212022 is a wasteful number, since it uses less digits than its factorization.

22122200212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061100106013.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22122200212022 its reverse (22021200222122), we get a palindrome (44143400434144).

The spelling of 22122200212022 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred million, two hundred twelve thousand, twenty-two".