18223048 has 16 divisors (see below), whose sum is σ = 36178380. Its totient is φ = 8575488.

The previous prime is 18223019. The next prime is 18223057. The reversal of 18223048 is 84032281.

It can be written as a sum of positive squares in 2 ways, for example, as 17994564 + 228484 = 4242^2 + 478^2 .

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 3 ways as a sum of consecutive naturals, for example, 66861 + ... + 67132.

Almost surely, 2^18223048 is an apocalyptic number.

It is an amenable number.

18223048 is a deficient number, since it is larger than the sum of its proper divisors (17955332).

18223048 is a wasteful number, since it uses less digits than its factorization.

18223048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134016 (or 134012 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18223048 is about 4268.8462141426. The cubic root of 18223048 is about 263.1522007414.

The spelling of 18223048 in words is "eighteen million, two hundred twenty-three thousand, forty-eight".