18674522 has 8 divisors (see below), whose sum is σ = 28190676. Its totient is φ = 9277632.

The previous prime is 18674501. The next prime is 18674527. The reversal of 18674522 is 22547681.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 3481 = 4321^2 + 59^2 .

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 (18674527) 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, 29423 + ... + 30050.

Almost surely, 2^18674522 is an apocalyptic number.

18674522 is a deficient number, since it is larger than the sum of its proper divisors (9516154).

18674522 is a wasteful number, since it uses less digits than its factorization.

18674522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59632.

The product of its digits is 26880, while the sum is 35.

The square root of 18674522 is about 4321.4027815051. The cubic root of 18674522 is about 265.3076858088.

The spelling of 18674522 in words is "eighteen million, six hundred seventy-four thousand, five hundred twenty-two".