18823122 has 12 divisors (see below), whose sum is σ = 40783470. Its totient is φ = 6274368.

The previous prime is 18823111. The next prime is 18823127. The reversal of 18823122 is 22132881.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 8071281 = 3279^2 + 2841^2 .

It is not an unprimeable number, because it can be changed into a prime (18823127) 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, 522847 + ... + 522882.

Almost surely, 2^18823122 is an apocalyptic number.

18823122 is an abundant number, since it is smaller than the sum of its proper divisors (21960348).

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

18823122 is a wasteful number, since it uses less digits than its factorization.

18823122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045737 (or 1045734 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 18823122 is about 4338.5622042331. The cubic root of 18823122 is about 266.0095441956.

The spelling of 18823122 in words is "eighteen million, eight hundred twenty-three thousand, one hundred twenty-two".