18922414 has 16 divisors (see below), whose sum is σ = 32656896. Its totient is φ = 8055000.

The previous prime is 18922391. The next prime is 18922417. The reversal of 18922414 is 41422981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18922417) 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, 2362 + ... + 6589.

It is an arithmetic number, because the mean of its divisors is an integer number (2041056).

Almost surely, 2^18922414 is an apocalyptic number.

18922414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18922414 is a deficient number, since it is larger than the sum of its proper divisors (13734482).

18922414 is a wasteful number, since it uses less digits than its factorization.

18922414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its digits is 4608, while the sum is 31.

The square root of 18922414 is about 4349.9901149313. The cubic root of 18922414 is about 266.4764577622.

The spelling of 18922414 in words is "eighteen million, nine hundred twenty-two thousand, four hundred fourteen".