22221200201022 has 48 divisors (see below), whose sum is σ = 49450509504240. Its totient is φ = 7206389773056.

The previous prime is 22221200201003. The next prime is 22221200201027. The reversal of 22221200201022 is 22010200212222.

22221200201022 is a `hidden beast` number, since 22 + 221 + 200 + 201 + 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 = 22221200200986 and 22221200201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221200201027) 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, 8825253 + ... + 11060175.

It is an arithmetic number, because the mean of its divisors is an integer number (1030218948005).

Almost surely, 2^{22221200201022} is an apocalyptic number.

22221200201022 is an abundant number, since it is smaller than the sum of its proper divisors (27229309303218).

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

22221200201022 is a wasteful number, since it uses less digits than its factorization.

22221200201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249897 (or 2249894 counting only the distinct ones).

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

Adding to 22221200201022 its reverse (22010200212222), we get a palindrome (44231400413244).

The spelling of 22221200201022 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred one thousand, twenty-two".