18220922005 has 64 divisors (see below), whose sum is σ = 27162374400. Its totient is φ = 11535851520.

The previous prime is 18220921973. The next prime is 18220922009. The reversal of 18220922005 is 50022902281.

It is not a de Polignac number, because 18220922005 - 2⁵ = 18220921973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18220922009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3108037 + ... + 3113893.

It is an arithmetic number, because the mean of its divisors is an integer number (424412100).

Almost surely, 2^18220922005 is an apocalyptic number.

It is an amenable number.

18220922005 is a deficient number, since it is larger than the sum of its proper divisors (8941452395).

18220922005 is a wasteful number, since it uses less digits than its factorization.

18220922005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 18220922005 in words is "eighteen billion, two hundred twenty million, nine hundred twenty-two thousand, five".