20222210111222 has 16 divisors (see below), whose sum is σ = 35320733564832. Its totient is φ = 8503139561280.

The previous prime is 20222210111167. The next prime is 20222210111293. The reversal of 20222210111222 is 22211101222202.

It is a super-2 number, since 2×20222210111222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222210111194 and 20222210111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13626825479 + ... + 13626826962.

It is an arithmetic number, because the mean of its divisors is an integer number (2207545847802).

Almost surely, 2^{20222210111222} is an apocalyptic number.

20222210111222 is a deficient number, since it is larger than the sum of its proper divisors (15098523453610).

20222210111222 is a wasteful number, since it uses less digits than its factorization.

20222210111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27253652503.

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

Adding to 20222210111222 its reverse (22211101222202), we get a palindrome (42433311333424).

The spelling of 20222210111222 in words is "twenty trillion, two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-two".