18714222 has 24 divisors (see below), whose sum is σ = 41946840. Its totient is φ = 6022800.

The previous prime is 18714217. The next prime is 18714233. The reversal of 18714222 is 22241781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17404 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (1747785).

Almost surely, 2^18714222 is an apocalyptic number.

18714222 is an abundant number, since it is smaller than the sum of its proper divisors (23232618).

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

18714222 is a wasteful number, since it uses less digits than its factorization.

18714222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35888 (or 35885 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 18714222 is about 4325.9937586640. The cubic root of 18714222 is about 265.4955578220.

It can be divided in two parts, 1871422 and 2, that added together give a square (1871424 = 1368²).

The spelling of 18714222 in words is "eighteen million, seven hundred fourteen thousand, two hundred twenty-two".