22513041 has 6 divisors (see below), whose sum is σ = 32518850. Its totient is φ = 15008688.

The previous prime is 22513039. The next prime is 22513091. The reversal of 22513041 is 14031522.

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 2073600 = 4521^2 + 1440^2 .

It is not a de Polignac number, because 22513041 - 2¹ = 22513039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22513091) 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, 1250716 + ... + 1250733.

Almost surely, 2^22513041 is an apocalyptic number.

It is an amenable number.

22513041 is a deficient number, since it is larger than the sum of its proper divisors (10005809).

22513041 is a wasteful number, since it uses less digits than its factorization.

22513041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501455 (or 2501452 counting only the distinct ones).

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

The square root of 22513041 is about 4744.7909332235. The cubic root of 22513041 is about 282.3653405783.

Adding to 22513041 its reverse (14031522), we get a palindrome (36544563).

The spelling of 22513041 in words is "twenty-two million, five hundred thirteen thousand, forty-one".