22215105055201 has 4 divisors (see below), whose sum is σ = 22217252905152. Its totient is φ = 22212957205252.

The previous prime is 22215105055163. The next prime is 22215105055229. The reversal of 22215105055201 is 10255050151222.

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 a de Polignac number, because none of the positive numbers 2^k-22215105055201 is a prime.

It is a super-2 number, since 2×22215105055201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22215105055291) 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, 1073909461 + ... + 1073930146.

It is an arithmetic number, because the mean of its divisors is an integer number (5554313226288).

Almost surely, 2^{22215105055201} is an apocalyptic number.

It is an amenable number.

22215105055201 is a deficient number, since it is larger than the sum of its proper divisors (2147849951).

22215105055201 is a wasteful number, since it uses less digits than its factorization.

22215105055201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147849950.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 22215105055201 in words is "twenty-two trillion, two hundred fifteen billion, one hundred five million, fifty-five thousand, two hundred one".