18095922 has 48 divisors (see below), whose sum is σ = 44717400. Its totient is φ = 5239296.

The previous prime is 18095921. The next prime is 18095929. The reversal of 18095922 is 22959081.

It can be written as a sum of positive squares in 4 ways, for example, as 16329681 + 1766241 = 4041^2 + 1329^2 .

It is not an unprimeable number, because it can be changed into a prime (18095921) 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 23 ways as a sum of consecutive naturals, for example, 1704 + ... + 6252.

Almost surely, 2^18095922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18095922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22358700).

18095922 is an abundant number, since it is smaller than the sum of its proper divisors (26621478).

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

18095922 is a wasteful number, since it uses less digits than its factorization.

18095922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 18095922 is about 4253.9301827839. The cubic root of 18095922 is about 262.5388459518.

The spelling of 18095922 in words is "eighteen million, ninety-five thousand, nine hundred twenty-two".