2381224 has 16 divisors (see below), whose sum is σ = 4727700. Its totient is φ = 1120512.

The previous prime is 2381221. The next prime is 2381231. The reversal of 2381224 is 4221832.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 101124 = 1510^2 + 318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2381195 and 2381204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381221) 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, 8619 + ... + 8890.

2^2381224 is an apocalyptic number.

It is an amenable number.

2381224 is a deficient number, since it is larger than the sum of its proper divisors (2346476).

2381224 is a wasteful number, since it uses less digits than its factorization.

2381224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17532 (or 17528 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2381224 is about 1543.1215117417. The cubic root of 2381224 is about 133.5365290678.

The spelling of 2381224 in words is "two million, three hundred eighty-one thousand, two hundred twenty-four".