18468622 has 8 divisors (see below), whose sum is σ = 28596672. Its totient is φ = 8936400.

The previous prime is 18468601. The next prime is 18468631. The reversal of 18468622 is 22686481.

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

It is a super-3 number, since 3×18468622³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148879 + ... + 149002.

It is an arithmetic number, because the mean of its divisors is an integer number (3574584).

Almost surely, 2^18468622 is an apocalyptic number.

18468622 is a deficient number, since it is larger than the sum of its proper divisors (10128050).

18468622 is a wasteful number, since it uses less digits than its factorization.

18468622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297914.

The product of its digits is 36864, while the sum is 37.

The square root of 18468622 is about 4297.5134671110. The cubic root of 18468622 is about 264.3290109037.

The spelling of 18468622 in words is "eighteen million, four hundred sixty-eight thousand, six hundred twenty-two".