18225317098 has 16 divisors (see below), whose sum is σ = 27586801440. Its totient is φ = 9029919600.

The previous prime is 18225317081. The next prime is 18225317101. The reversal of 18225317098 is 89071352281.

It is a happy number.

It is a super-2 number, since 2×18225317098² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130708 + ... + 231376.

It is an arithmetic number, because the mean of its divisors is an integer number (1724175090).

Almost surely, 2^18225317098 is an apocalyptic number.

18225317098 is a deficient number, since it is larger than the sum of its proper divisors (9361484342).

18225317098 is a wasteful number, since it uses less digits than its factorization.

18225317098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101493.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 18225317098 in words is "eighteen billion, two hundred twenty-five million, three hundred seventeen thousand, ninety-eight".