22530141 has 24 divisors (see below), whose sum is σ = 33485400. Its totient is φ = 14591616.

The previous prime is 22530139. The next prime is 22530161. The reversal of 22530141 is 14103522.

It can be written as a sum of positive squares in 4 ways, for example, as 5625 + 22524516 = 75^2 + 4746^2 .

It is not a de Polignac number, because 22530141 - 2¹ = 22530139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70915 + ... + 71231.

It is an arithmetic number, because the mean of its divisors is an integer number (1395225).

Almost surely, 2^22530141 is an apocalyptic number.

It is an amenable number.

22530141 is a deficient number, since it is larger than the sum of its proper divisors (10955259).

22530141 is a wasteful number, since it uses less digits than its factorization.

22530141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22530141 is about 4746.5925673055. The cubic root of 22530141 is about 282.4368136021.

Adding to 22530141 its reverse (14103522), we get a palindrome (36633663).

The spelling of 22530141 in words is "twenty-two million, five hundred thirty thousand, one hundred forty-one".