11922261 has 16 divisors (see below), whose sum is σ = 17285184. Its totient is φ = 7265664.

The previous prime is 11922241. The next prime is 11922283. The reversal of 11922261 is 16222911.

11922261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11922261 - 2²³ = 3533653 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2745 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (1080324).

Almost surely, 2^11922261 is an apocalyptic number.

It is an amenable number.

11922261 is a deficient number, since it is larger than the sum of its proper divisors (5362923).

11922261 is a wasteful number, since it uses less digits than its factorization.

11922261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its digits is 432, while the sum is 24.

The square root of 11922261 is about 3452.8627253339. The cubic root of 11922261 is about 228.4473940701.

The spelling of 11922261 in words is "eleven million, nine hundred twenty-two thousand, two hundred sixty-one".