18363122 has 16 divisors (see below), whose sum is σ = 28242432. Its totient is φ = 8951280.

The previous prime is 18363109. The next prime is 18363127. The reversal of 18363122 is 22136381.

It is a junction number, because it is equal to n+sod(n) for n = 18363091 and 18363100.

It is not an unprimeable number, because it can be changed into a prime (18363127) 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 7 ways as a sum of consecutive naturals, for example, 19793 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (1765152).

Almost surely, 2^18363122 is an apocalyptic number.

18363122 is a deficient number, since it is larger than the sum of its proper divisors (9879310).

18363122 is a wasteful number, since it uses less digits than its factorization.

18363122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its digits is 1728, while the sum is 26.

The square root of 18363122 is about 4285.2213478419. The cubic root of 18363122 is about 263.8247325346.

The spelling of 18363122 in words is "eighteen million, three hundred sixty-three thousand, one hundred twenty-two".