22212201200022 has 24 divisors (see below), whose sum is σ = 48915393901920. Its totient is φ = 7282688917680.

The previous prime is 22212201199967. The next prime is 22212201200027. The reversal of 22212201200022 is 22000210221222.

22212201200022 is a `hidden beast` number, since 2 + 221 + 220 + 1 + 200 + 0 + 22 = 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 = 22212201199968 and 22212201200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201200027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10114844622 + ... + 10114846817.

It is an arithmetic number, because the mean of its divisors is an integer number (2038141412580).

Almost surely, 2^{22212201200022} is an apocalyptic number.

22212201200022 is an abundant number, since it is smaller than the sum of its proper divisors (26703192701898).

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

22212201200022 is a wasteful number, since it uses less digits than its factorization.

22212201200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229691508 (or 20229691505 counting only the distinct ones).

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

Adding to 22212201200022 its reverse (22000210221222), we get a palindrome (44212411421244).

The spelling of 22212201200022 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred thousand, twenty-two".