22122213220001 has 4 divisors (see below), whose sum is σ = 23286540231600. Its totient is φ = 20957886208404.

The previous prime is 22122213219913. The next prime is 22122213220007. The reversal of 22122213220001 is 10002231222122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22122213220001 - 2¹⁰ = 22122213218977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122213220007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582163505771 + ... + 582163505808.

It is an arithmetic number, because the mean of its divisors is an integer number (5821635057900).

Almost surely, 2^{22122213220001} is an apocalyptic number.

It is an amenable number.

22122213220001 is a deficient number, since it is larger than the sum of its proper divisors (1164327011599).

22122213220001 is a wasteful number, since it uses less digits than its factorization.

22122213220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164327011598.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22122213220001 its reverse (10002231222122), we get a palindrome (32124444442123).

The spelling of 22122213220001 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty thousand, one".