18969122 has 8 divisors (see below), whose sum is σ = 28500672. Its totient is φ = 9468900.

The previous prime is 18969091. The next prime is 18969131. The reversal of 18969122 is 22196981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6254 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (3562584).

Almost surely, 2^18969122 is an apocalyptic number.

18969122 is a deficient number, since it is larger than the sum of its proper divisors (9531550).

18969122 is a wasteful number, since it uses less digits than its factorization.

18969122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664.

The product of its digits is 15552, while the sum is 38.

The square root of 18969122 is about 4355.3555537981. The cubic root of 18969122 is about 266.6955340277.

It can be divided in two parts, 18969 and 122, that added together give a palindrome (19091).

The spelling of 18969122 in words is "eighteen million, nine hundred sixty-nine thousand, one hundred twenty-two".