18254282 has 16 divisors (see below), whose sum is σ = 28438560. Its totient is φ = 8777328.

The previous prime is 18254263. The next prime is 18254287. The reversal of 18254282 is 28245281.

It is a super-2 number, since 2×18254282² = 666437622671048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18254287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19673 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (1777410).

Almost surely, 2^18254282 is an apocalyptic number.

18254282 is a deficient number, since it is larger than the sum of its proper divisors (10184278).

18254282 is a wasteful number, since it uses less digits than its factorization.

18254282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its digits is 10240, while the sum is 32.

The square root of 18254282 is about 4272.5030134571. The cubic root of 18254282 is about 263.3024610855.

Subtracting 18254282 from its reverse (28245281), we obtain a palindrome (9990999).

The spelling of 18254282 in words is "eighteen million, two hundred fifty-four thousand, two hundred eighty-two".