18422099585 has 16 divisors (see below), whose sum is σ = 22329561600. Its totient is φ = 14589188736.

The previous prime is 18422099567. The next prime is 18422099599. The reversal of 18422099585 is 58599022481.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18422099585 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757901 + ... + 781829.

It is an arithmetic number, because the mean of its divisors is an integer number (1395597600).

Almost surely, 2^18422099585 is an apocalyptic number.

It is an amenable number.

18422099585 is a deficient number, since it is larger than the sum of its proper divisors (3907462015).

18422099585 is a wasteful number, since it uses less digits than its factorization.

18422099585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25480.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 18422099585 in words is "eighteen billion, four hundred twenty-two million, ninety-nine thousand, five hundred eighty-five".