11866224 has 40 divisors (see below), whose sum is σ = 30814992. Its totient is φ = 3934720.

The previous prime is 11866213. The next prime is 11866247. The reversal of 11866224 is 42266811.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11866191 and 11866200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10654 + ... + 11714.

Almost surely, 2^11866224 is an apocalyptic number.

It is an amenable number.

11866224 is an abundant number, since it is smaller than the sum of its proper divisors (18948768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11866224 is a wasteful number, since it uses less digits than its factorization.

11866224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1299 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 11866224 is about 3444.7385967588. The cubic root of 11866224 is about 228.0889157663.

It can be divided in two parts, 11866 and 224, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11866224 in words is "eleven million, eight hundred sixty-six thousand, two hundred twenty-four".