18267214 has 16 divisors (see below), whose sum is σ = 33157728. Its totient is φ = 7368192.

The previous prime is 18267211. The next prime is 18267253. The reversal of 18267214 is 41276281.

It is a super-2 number, since 2×18267214² = 667382214643592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18267211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38139 + ... + 38614.

It is an arithmetic number, because the mean of its divisors is an integer number (2072358).

Almost surely, 2^18267214 is an apocalyptic number.

18267214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18267214 is a deficient number, since it is larger than the sum of its proper divisors (14890514).

18267214 is a wasteful number, since it uses less digits than its factorization.

18267214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76779.

The product of its digits is 5376, while the sum is 31.

The square root of 18267214 is about 4274.0161440968. The cubic root of 18267214 is about 263.3646241013.

It can be divided in two parts, 18267 and 214, that added together give a palindrome (18481).

The spelling of 18267214 in words is "eighteen million, two hundred sixty-seven thousand, two hundred fourteen".