18234022 has 4 divisors (see below), whose sum is σ = 27351036. Its totient is φ = 9117010.

The previous prime is 18234017. The next prime is 18234023. The reversal of 18234022 is 22043281.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 18233984 and 18234002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558504 + ... + 4558507.

It is an arithmetic number, because the mean of its divisors is an integer number (6837759).

Almost surely, 2^18234022 is an apocalyptic number.

18234022 is a deficient number, since it is larger than the sum of its proper divisors (9117014).

18234022 is an equidigital number, since it uses as much as digits as its factorization.

18234022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117013.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18234022 is about 4270.1313797119. The cubic root of 18234022 is about 263.2050139472.

The spelling of 18234022 in words is "eighteen million, two hundred thirty-four thousand, twenty-two".