18229674 has 16 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 5880480.

The previous prime is 18229663. The next prime is 18229681. The reversal of 18229674 is 47692281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48819 + ... + 49190.

It is an arithmetic number, because the mean of its divisors is an integer number (2352240).

Almost surely, 2^18229674 is an apocalyptic number.

18229674 is an abundant number, since it is smaller than the sum of its proper divisors (19406166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18229674 is a wasteful number, since it uses less digits than its factorization.

18229674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98045.

The product of its digits is 48384, while the sum is 39.

The square root of 18229674 is about 4269.6222315329. The cubic root of 18229674 is about 263.1840914033.

The spelling of 18229674 in words is "eighteen million, two hundred twenty-nine thousand, six hundred seventy-four".