22011022022222 has 4 divisors (see below), whose sum is σ = 33016533033336. Its totient is φ = 11005511011110.

The previous prime is 22011022022207. The next prime is 22011022022257. The reversal of 22011022022222 is 22222022011022.

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 = 22011022022194 and 22011022022203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502755505554 + ... + 5502755505557.

It is an arithmetic number, because the mean of its divisors is an integer number (8254133258334).

Almost surely, 2^{22011022022222} is an apocalyptic number.

22011022022222 is a deficient number, since it is larger than the sum of its proper divisors (11005511011114).

22011022022222 is a wasteful number, since it uses less digits than its factorization.

22011022022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005511011113.

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

Adding to 22011022022222 its reverse (22222022011022), we get a palindrome (44233044033244).

The spelling of 22011022022222 in words is "twenty-two trillion, eleven billion, twenty-two million, twenty-two thousand, two hundred twenty-two".