18474622 has 8 divisors (see below), whose sum is σ = 27834696. Its totient is φ = 9196392.

The previous prime is 18474613. The next prime is 18474623. The reversal of 18474622 is 22647481.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18474623) 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, 19893 + ... + 20800.

It is an arithmetic number, because the mean of its divisors is an integer number (3479337).

Almost surely, 2^18474622 is an apocalyptic number.

18474622 is a deficient number, since it is larger than the sum of its proper divisors (9360074).

18474622 is a wasteful number, since it uses less digits than its factorization.

18474622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40922.

The product of its digits is 21504, while the sum is 34.

The square root of 18474622 is about 4298.2114885147. The cubic root of 18474622 is about 264.3576324642.

The spelling of 18474622 in words is "eighteen million, four hundred seventy-four thousand, six hundred twenty-two".