8091224 has 24 divisors (see below), whose sum is σ = 15560460. Its totient is φ = 3944304.

The previous prime is 8091221. The next prime is 8091241. The reversal of 8091224 is 4221908.

It is a junction number, because it is equal to n+sod(n) for n = 8091193 and 8091202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8091221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14519 + ... + 15065.

Almost surely, 2^8091224 is an apocalyptic number.

It is an amenable number.

8091224 is a deficient number, since it is larger than the sum of its proper divisors (7469236).

8091224 is a wasteful number, since it uses less digits than its factorization.

8091224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8091224 is about 2844.5076902691. The cubic root of 8091224 is about 200.7573286469.

The spelling of 8091224 in words is "eight million, ninety-one thousand, two hundred twenty-four".