11922443 has 24 divisors (see below), whose sum is σ = 14054400. Its totient is φ = 10075104.

The previous prime is 11922439. The next prime is 11922467. The reversal of 11922443 is 34422911.

It is not a de Polignac number, because 11922443 - 2² = 11922439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11922643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150878 + ... + 150956.

It is an arithmetic number, because the mean of its divisors is an integer number (585600).

Almost surely, 2^11922443 is an apocalyptic number.

11922443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11922443 is a deficient number, since it is larger than the sum of its proper divisors (2131957).

11922443 is a wasteful number, since it uses less digits than its factorization.

11922443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 158 counting only the distinct ones).

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

The square root of 11922443 is about 3452.8890801762. The cubic root of 11922443 is about 228.4485565233.

The spelling of 11922443 in words is "eleven million, nine hundred twenty-two thousand, four hundred forty-three".