18022053 has 12 divisors (see below), whose sum is σ = 27952800. Its totient is φ = 10298232.

The previous prime is 18022027. The next prime is 18022061. The reversal of 18022053 is 35022081.

It is not a de Polignac number, because 18022053 - 2⁸ = 18021797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18022073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61153 + ... + 61446.

It is an arithmetic number, because the mean of its divisors is an integer number (2329400).

Almost surely, 2^18022053 is an apocalyptic number.

It is an amenable number.

18022053 is a deficient number, since it is larger than the sum of its proper divisors (9930747).

18022053 is a wasteful number, since it uses less digits than its factorization.

18022053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122616 (or 122609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 18022053 is about 4245.2388625377. The cubic root of 18022053 is about 262.1811239081.

The spelling of 18022053 in words is "eighteen million, twenty-two thousand, fifty-three".