11922259 has 4 divisors (see below), whose sum is σ = 12306880. Its totient is φ = 11537640.

The previous prime is 11922241. The next prime is 11922283. The reversal of 11922259 is 95222911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95222911 = 7 ⋅13603273.

It is a cyclic number.

It is not a de Polignac number, because 11922259 - 2⁵ = 11922227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 384589 = 11922259 / (1 + 1 + 9 + 2 + 2 + 2 + 5 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11922259.

It is not an unprimeable number, because it can be changed into a prime (11922059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192264 + ... + 192325.

It is an arithmetic number, because the mean of its divisors is an integer number (3076720).

Almost surely, 2^11922259 is an apocalyptic number.

11922259 is a deficient number, since it is larger than the sum of its proper divisors (384621).

11922259 is an equidigital number, since it uses as much as digits as its factorization.

11922259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384620.

The product of its digits is 3240, while the sum is 31.

The square root of 11922259 is about 3452.8624357191. The cubic root of 11922259 is about 228.4473812958.

The spelling of 11922259 in words is "eleven million, nine hundred twenty-two thousand, two hundred fifty-nine".