18222414 has 24 divisors (see below), whose sum is σ = 42395688. Its totient is φ = 5206320.

The previous prime is 18222367. The next prime is 18222427. The reversal of 18222414 is 41422281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30697 + ... + 31284.

It is an arithmetic number, because the mean of its divisors is an integer number (1766487).

Almost surely, 2^18222414 is an apocalyptic number.

18222414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18222414 is an abundant number, since it is smaller than the sum of its proper divisors (24173274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18222414 is a wasteful number, since it uses less digits than its factorization.

18222414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62000 (or 61993 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 18222414 is about 4268.7719545555. The cubic root of 18222414 is about 263.1491489206.

Adding to 18222414 its reverse (41422281), we get a palindrome (59644695).

The spelling of 18222414 in words is "eighteen million, two hundred twenty-two thousand, four hundred fourteen".