18676229 has 24 divisors (see below), whose sum is σ = 22880256. Its totient is φ = 15127200.

The previous prime is 18676223. The next prime is 18676237. The reversal of 18676229 is 92267681.

It is not a de Polignac number, because 18676229 - 2¹² = 18672133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18676223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48572 + ... + 48954.

It is an arithmetic number, because the mean of its divisors is an integer number (953344).

Almost surely, 2^18676229 is an apocalyptic number.

It is an amenable number.

18676229 is a deficient number, since it is larger than the sum of its proper divisors (4204027).

18676229 is a wasteful number, since it uses less digits than its factorization.

18676229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 18676229 is about 4321.6002823028. The cubic root of 18676229 is about 265.3157693075.

The spelling of 18676229 in words is "eighteen million, six hundred seventy-six thousand, two hundred twenty-nine".