22215105214105 has 8 divisors (see below), whose sum is σ = 26662495761864. Its totient is φ = 17769171168000.

The previous prime is 22215105214097. The next prime is 22215105214111. The reversal of 22215105214105 is 50141250151222.

It can be written as a sum of positive squares in 4 ways, for example, as 4128227494416 + 18086877719689 = 2031804^2 + 4252867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22215105214105 - 2³ = 22215105214097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364091856 + ... + 364152865.

It is an arithmetic number, because the mean of its divisors is an integer number (3332811970233).

Almost surely, 2^{22215105214105} is an apocalyptic number.

It is an amenable number.

22215105214105 is a deficient number, since it is larger than the sum of its proper divisors (4447390547759).

22215105214105 is an equidigital number, since it uses as much as digits as its factorization.

22215105214105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728250827.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 22215105214105 its reverse (50141250151222), we get a palindrome (72356355365327).

The spelling of 22215105214105 in words is "twenty-two trillion, two hundred fifteen billion, one hundred five million, two hundred fourteen thousand, one hundred five".