18734122 has 16 divisors (see below), whose sum is σ = 31236192. Its totient is φ = 8354320.

The previous prime is 18734113. The next prime is 18734123. The reversal of 18734122 is 22143781.

It is a super-2 number, since 2×18734122² = 701934654221768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18734123) 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, 6868 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (1952262).

Almost surely, 2^18734122 is an apocalyptic number.

18734122 is a deficient number, since it is larger than the sum of its proper divisors (12502070).

18734122 is a wasteful number, since it uses less digits than its factorization.

18734122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133.

The product of its digits is 2688, while the sum is 28.

The square root of 18734122 is about 4328.2931970928. The cubic root of 18734122 is about 265.5896304832.

It can be divided in two parts, 1873 and 4122, that added together give a palindrome (5995).

The spelling of 18734122 in words is "eighteen million, seven hundred thirty-four thousand, one hundred twenty-two".