11909227 has 16 divisors (see below), whose sum is σ = 13816800. Its totient is φ = 10160640.

The previous prime is 11909221. The next prime is 11909263. The reversal of 11909227 is 72290911.

It is a cyclic number.

It is not a de Polignac number, because 11909227 - 2⁷ = 11909099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11909221) 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, 11299 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (863550).

Almost surely, 2^11909227 is an apocalyptic number.

11909227 is a deficient number, since it is larger than the sum of its proper divisors (1907573).

11909227 is a wasteful number, since it uses less digits than its factorization.

11909227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11909227 is about 3450.9747898239. The cubic root of 11909227 is about 228.3641137517.

The spelling of 11909227 in words is "eleven million, nine hundred nine thousand, two hundred twenty-seven".