18068022 has 96 divisors (see below), whose sum is σ = 47803392. Its totient is φ = 5007744.

The previous prime is 18067999. The next prime is 18068023. The reversal of 18068022 is 22086081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18068023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159838 + ... + 159950.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^18068022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18068022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23901696).

18068022 is an abundant number, since it is smaller than the sum of its proper divisors (29735370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18068022 is a wasteful number, since it uses less digits than its factorization.

18068022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18068022 is about 4250.6495974145. The cubic root of 18068022 is about 262.4038505006.

The spelling of 18068022 in words is "eighteen million, sixty-eight thousand, twenty-two".