18242626 has 8 divisors (see below), whose sum is σ = 27772560. Its totient is φ = 8985108.

The previous prime is 18242617. The next prime is 18242629. The reversal of 18242626 is 62624281.

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 (18242629) 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, 67936 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (3471570).

Almost surely, 2^18242626 is an apocalyptic number.

18242626 is a deficient number, since it is larger than the sum of its proper divisors (9529934).

18242626 is a wasteful number, since it uses less digits than its factorization.

18242626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136208.

The product of its digits is 9216, while the sum is 31.

The square root of 18242626 is about 4271.1387240407. The cubic root of 18242626 is about 263.2464065307.

The spelling of 18242626 in words is "eighteen million, two hundred forty-two thousand, six hundred twenty-six".