18050022 has 48 divisors (see below), whose sum is σ = 42131232. Its totient is φ = 5564160.

The previous prime is 18050003. The next prime is 18050027. The reversal of 18050022 is 22005081.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 18049977 and 18050004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18183 + ... + 19149.

It is an arithmetic number, because the mean of its divisors is an integer number (877734).

Almost surely, 2^18050022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18050022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21065616).

18050022 is an abundant number, since it is smaller than the sum of its proper divisors (24081210).

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

18050022 is a wasteful number, since it uses less digits than its factorization.

18050022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 18050022 is about 4248.5317463802. The cubic root of 18050022 is about 262.3166828945.

The spelling of 18050022 in words is "eighteen million, fifty thousand, twenty-two".