22005214545 has 16 divisors (see below), whose sum is σ = 37279422720. Its totient is φ = 11045754624.

The previous prime is 22005214541. The next prime is 22005214549. The reversal of 22005214545 is 54541250022.

It is an interprime number because it is at equal distance from previous prime (22005214541) and next prime (22005214549).

It is not a de Polignac number, because 22005214545 - 2² = 22005214541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22005214541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43147225 + ... + 43147734.

It is an arithmetic number, because the mean of its divisors is an integer number (2329963920).

Almost surely, 2^22005214545 is an apocalyptic number.

It is an amenable number.

22005214545 is a deficient number, since it is larger than the sum of its proper divisors (15274208175).

22005214545 is a wasteful number, since it uses less digits than its factorization.

22005214545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86294984.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 22005214545 its reverse (54541250022), we get a palindrome (76546464567).

The spelling of 22005214545 in words is "twenty-two billion, five million, two hundred fourteen thousand, five hundred forty-five".