22122220111022 has 4 divisors (see below), whose sum is σ = 33183330166536. Its totient is φ = 11061110055510.

The previous prime is 22122220111007. The next prime is 22122220111027. The reversal of 22122220111022 is 22011102222122.

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 = 22122220110985 and 22122220111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122220111027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530555027754 + ... + 5530555027757.

It is an arithmetic number, because the mean of its divisors is an integer number (8295832541634).

Almost surely, 2^{22122220111022} is an apocalyptic number.

22122220111022 is a deficient number, since it is larger than the sum of its proper divisors (11061110055514).

22122220111022 is a wasteful number, since it uses less digits than its factorization.

22122220111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061110055513.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22122220111022 its reverse (22011102222122), we get a palindrome (44133322333144).

The spelling of 22122220111022 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, twenty-two".