11922229 has 4 divisors (see below), whose sum is σ = 13006080. Its totient is φ = 10838380.

The previous prime is 11922227. The next prime is 11922241. The reversal of 11922229 is 92222911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11922229 - 2¹ = 11922227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11922197 and 11922206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11922221) 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, 541909 + ... + 541930.

It is an arithmetic number, because the mean of its divisors is an integer number (3251520).

Almost surely, 2^11922229 is an apocalyptic number.

It is an amenable number.

11922229 is a deficient number, since it is larger than the sum of its proper divisors (1083851).

11922229 is a wasteful number, since it uses less digits than its factorization.

11922229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083850.

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

The square root of 11922229 is about 3452.8580914946. The cubic root of 11922229 is about 228.4471896815.

The spelling of 11922229 in words is "eleven million, nine hundred twenty-two thousand, two hundred twenty-nine".