18022153 has 2 divisors, whose sum is σ = 18022154. Its totient is φ = 18022152.

The previous prime is 18022141. The next prime is 18022157. The reversal of 18022153 is 35122081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14684224 + 3337929 = 3832^2 + 1827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18022153 is a prime.

It is not a weakly prime, because it can be changed into another prime (18022157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9011076 + 9011077.

It is an arithmetic number, because the mean of its divisors is an integer number (9011077).

Almost surely, 2^18022153 is an apocalyptic number.

It is an amenable number.

18022153 is a deficient number, since it is larger than the sum of its proper divisors (1).

18022153 is an equidigital number, since it uses as much as digits as its factorization.

18022153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 18022153 is about 4245.2506404216. The cubic root of 18022153 is about 262.1816088337.

The spelling of 18022153 in words is "eighteen million, twenty-two thousand, one hundred fifty-three".