22200022110222 has 48 divisors (see below), whose sum is σ = 52487726428800. Its totient is φ = 6725363158800.

The previous prime is 22200022110139. The next prime is 22200022110223. The reversal of 22200022110222 is 22201122000222.

22200022110222 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 221 + 1 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22200022110195 and 22200022110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200022110223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15271972 + ... + 16662327.

It is an arithmetic number, because the mean of its divisors is an integer number (1093494300600).

Almost surely, 2^{22200022110222} is an apocalyptic number.

22200022110222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22200022110222 is an abundant number, since it is smaller than the sum of its proper divisors (30287704318578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22200022110222 is a wasteful number, since it uses less digits than its factorization.

22200022110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31937829 (or 31937826 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22200022110222 its reverse (22201122000222), we get a palindrome (44401144110444).

The spelling of 22200022110222 in words is "twenty-two trillion, two hundred billion, twenty-two million, one hundred ten thousand, two hundred twenty-two".