18234522 has 12 divisors (see below), whose sum is σ = 39508170. Its totient is φ = 6078168.

The previous prime is 18234521. The next prime is 18234529. The reversal of 18234522 is 22543281.

It can be written as a sum of positive squares in only one way, i.e., 10830681 + 7403841 = 3291^2 + 2721^2 .

It is not an unprimeable number, because it can be changed into a prime (18234521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506497 + ... + 506532.

Almost surely, 2^18234522 is an apocalyptic number.

18234522 is an abundant number, since it is smaller than the sum of its proper divisors (21273648).

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

18234522 is a wasteful number, since it uses less digits than its factorization.

18234522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013037 (or 1013034 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 18234522 is about 4270.1899255185. The cubic root of 18234522 is about 263.2074197303.

The spelling of 18234522 in words is "eighteen million, two hundred thirty-four thousand, five hundred twenty-two".