2224531 has 4 divisors (see below), whose sum is σ = 2228472. Its totient is φ = 2220592.

The previous prime is 2224517. The next prime is 2224553. The reversal of 2224531 is 1354222.

2224531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1354222 = 2 ⋅677111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224531 is a prime.

It is a super-2 number, since 2×2224531² = 9897076339922, which contains 22 as substring.

It is a Duffinian number.

2224531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2224499 and 2224508.

It is not an unprimeable number, because it can be changed into a prime (2224571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (557118).

2^2224531 is an apocalyptic number.

2224531 is a deficient number, since it is larger than the sum of its proper divisors (3941).

2224531 is an equidigital number, since it uses as much as digits as its factorization.

2224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its digits is 480, while the sum is 19.

The square root of 2224531 is about 1491.4861715752. The cubic root of 2224531 is about 130.5407651940.

Adding to 2224531 its reverse (1354222), we get a palindrome (3578753).

It can be divided in two parts, 222 and 4531, that added together give a triangular number (4753 = T₉₇).

The spelling of 2224531 in words is "two million, two hundred twenty-four thousand, five hundred thirty-one".