18422098 has 8 divisors (see below), whose sum is σ = 27739008. Its totient is φ = 9175764.

The previous prime is 18422093. The next prime is 18422113. The reversal of 18422098 is 89022481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18422093) 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, 16986 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (3467376).

Almost surely, 2^18422098 is an apocalyptic number.

18422098 is a deficient number, since it is larger than the sum of its proper divisors (9316910).

18422098 is a wasteful number, since it uses less digits than its factorization.

18422098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35288.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18422098 is about 4292.0971564027. The cubic root of 18422098 is about 264.1068686554.

The spelling of 18422098 in words is "eighteen million, four hundred twenty-two thousand, ninety-eight".