13922289 has 24 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 9011808.

The previous prime is 13922281. The next prime is 13922299. The reversal of 13922289 is 98222931.

It is not a de Polignac number, because 13922289 - 2³ = 13922281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13922281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83284 + ... + 83450.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^13922289 is an apocalyptic number.

It is an amenable number.

13922289 is a deficient number, since it is larger than the sum of its proper divisors (6782031).

13922289 is a wasteful number, since it uses less digits than its factorization.

13922289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13922289 is about 3731.2583668248. The cubic root of 13922289 is about 240.5674593172.

The spelling of 13922289 in words is "thirteen million, nine hundred twenty-two thousand, two hundred eighty-nine".