22012201202222 has 64 divisors (see below), whose sum is σ = 41238720027648. Its totient is φ = 8560974240000.

The previous prime is 22012201202203. The next prime is 22012201202227. The reversal of 22012201202222 is 22220210221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012201202194 and 22012201202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012201202227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284536847 + ... + 284614197.

It is an arithmetic number, because the mean of its divisors is an integer number (644355000432).

Almost surely, 2^{22012201202222} is an apocalyptic number.

22012201202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012201202222 is a deficient number, since it is larger than the sum of its proper divisors (19226518825426).

22012201202222 is a wasteful number, since it uses less digits than its factorization.

22012201202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80625.

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

Adding to 22012201202222 its reverse (22220210221022), we get a palindrome (44232411423244).

The spelling of 22012201202222 in words is "twenty-two trillion, twelve billion, two hundred one million, two hundred two thousand, two hundred twenty-two".