18214105 has 16 divisors (see below), whose sum is σ = 26901504. Its totient is φ = 11528640.

The previous prime is 18214099. The next prime is 18214111. The reversal of 18214105 is 50141281.

It is an interprime number because it is at equal distance from previous prime (18214099) and next prime (18214111).

It is not a de Polignac number, because 18214105 - 2⁷ = 18213977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19561 + ... + 20470.

It is an arithmetic number, because the mean of its divisors is an integer number (1681344).

Almost surely, 2^18214105 is an apocalyptic number.

It is an amenable number.

18214105 is a deficient number, since it is larger than the sum of its proper divisors (8687399).

18214105 is a wasteful number, since it uses less digits than its factorization.

18214105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40056.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18214105 is about 4267.7986128682. The cubic root of 18214105 is about 263.1091461947.

Adding to 18214105 its reverse (50141281), we get a palindrome (68355386).

The spelling of 18214105 in words is "eighteen million, two hundred fourteen thousand, one hundred five".