18827222 has 8 divisors (see below), whose sum is σ = 28581336. Its totient is φ = 9300112.

The previous prime is 18827209. The next prime is 18827231. The reversal of 18827222 is 22272881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56543 + ... + 56874.

It is an arithmetic number, because the mean of its divisors is an integer number (3572667).

Almost surely, 2^18827222 is an apocalyptic number.

18827222 is a deficient number, since it is larger than the sum of its proper divisors (9754114).

18827222 is a wasteful number, since it uses less digits than its factorization.

18827222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113502.

The product of its digits is 7168, while the sum is 32.

The square root of 18827222 is about 4339.0346852728. The cubic root of 18827222 is about 266.0288566128.

The spelling of 18827222 in words is "eighteen million, eight hundred twenty-seven thousand, two hundred twenty-two".