22220012210222 has 4 divisors (see below), whose sum is σ = 33330018315336. Its totient is φ = 11110006105110.

The previous prime is 22220012210203. The next prime is 22220012210273. The reversal of 22220012210222 is 22201221002222.

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 = 22220012210194 and 22220012210203.

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, 5555003052554 + ... + 5555003052557.

It is an arithmetic number, because the mean of its divisors is an integer number (8332504578834).

Almost surely, 2^{22220012210222} is an apocalyptic number.

22220012210222 is a deficient number, since it is larger than the sum of its proper divisors (11110006105114).

22220012210222 is a wasteful number, since it uses less digits than its factorization.

22220012210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110006105113.

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

Adding to 22220012210222 its reverse (22201221002222), we get a palindrome (44421233212444).

The spelling of 22220012210222 in words is "twenty-two trillion, two hundred twenty billion, twelve million, two hundred ten thousand, two hundred twenty-two".