18229414 has 16 divisors (see below), whose sum is σ = 31680288. Its totient is φ = 7705152.

The previous prime is 18229411. The next prime is 18229439. The reversal of 18229414 is 41492281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18229411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7897 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (1980018).

Almost surely, 2^18229414 is an apocalyptic number.

18229414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18229414 is a deficient number, since it is larger than the sum of its proper divisors (13450874).

18229414 is a wasteful number, since it uses less digits than its factorization.

18229414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919.

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

The square root of 18229414 is about 4269.5917837658. The cubic root of 18229414 is about 263.1828401798.

It can be divided in two parts, 1822 and 9414, that added together give a square (11236 = 106²).

The spelling of 18229414 in words is "eighteen million, two hundred twenty-nine thousand, four hundred fourteen".