11909422 has 8 divisors (see below), whose sum is σ = 20416176. Its totient is φ = 5104032.

The previous prime is 11909419. The next prime is 11909431. The reversal of 11909422 is 22490911.

It is a happy number.

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

It is a congruent number.

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, 425323 + ... + 425350.

It is an arithmetic number, because the mean of its divisors is an integer number (2552022).

Almost surely, 2^11909422 is an apocalyptic number.

11909422 is a deficient number, since it is larger than the sum of its proper divisors (8506754).

11909422 is an equidigital number, since it uses as much as digits as its factorization.

11909422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850682.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11909422 is about 3451.0030425950. The cubic root of 11909422 is about 228.3653601455.

The spelling of 11909422 in words is "eleven million, nine hundred nine thousand, four hundred twenty-two".