22201002201222 has 32 divisors (see below), whose sum is σ = 53130603560160. Its totient is φ = 6831077600160.

The previous prime is 22201002201179. The next prime is 22201002201263. The reversal of 22201002201222 is 22210220010222.

22201002201222 is a `hidden beast` number, since 2 + 220 + 1 + 0 + 0 + 220 + 1 + 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 = 22201002201195 and 22201002201204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15812678929 + ... + 15812680332.

It is an arithmetic number, because the mean of its divisors is an integer number (1660331361255).

Almost surely, 2^{22201002201222} is an apocalyptic number.

22201002201222 is an abundant number, since it is smaller than the sum of its proper divisors (30929601358938).

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

22201002201222 is a wasteful number, since it uses less digits than its factorization.

22201002201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31625359285 (or 31625359279 counting only the distinct ones).

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

Adding to 22201002201222 its reverse (22210220010222), we get a palindrome (44411222211444).

The spelling of 22201002201222 in words is "twenty-two trillion, two hundred one billion, two million, two hundred one thousand, two hundred twenty-two".