22530373 has 8 divisors (see below), whose sum is σ = 23372280. Its totient is φ = 21700800.

The previous prime is 22530329. The next prime is 22530377. The reversal of 22530373 is 37303522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19210689 + 3319684 = 4383^2 + 1822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22530373 - 2⁹ = 22529861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (2921535).

Almost surely, 2^22530373 is an apocalyptic number.

It is an amenable number.

22530373 is a deficient number, since it is larger than the sum of its proper divisors (841907).

22530373 is a wasteful number, since it uses less digits than its factorization.

22530373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 22530373 is about 4746.6170058264. The cubic root of 22530373 is about 282.4377830459.

Adding to 22530373 its reverse (37303522), we get a palindrome (59833895).

The spelling of 22530373 in words is "twenty-two million, five hundred thirty thousand, three hundred seventy-three".