22541242 has 16 divisors (see below), whose sum is σ = 35478720. Its totient is φ = 10720512.

The previous prime is 22541231. The next prime is 22541249. The reversal of 22541242 is 24214522.

It is not an unprimeable number, because it can be changed into a prime (22541249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7609 + ... + 10147.

It is an arithmetic number, because the mean of its divisors is an integer number (2217420).

Almost surely, 2^22541242 is an apocalyptic number.

22541242 is a deficient number, since it is larger than the sum of its proper divisors (12937478).

22541242 is a wasteful number, since it uses less digits than its factorization.

22541242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its digits is 1280, while the sum is 22.

The square root of 22541242 is about 4747.7617884641. The cubic root of 22541242 is about 282.4831931944.

Adding to 22541242 its reverse (24214522), we get a palindrome (46755764).

The spelling of 22541242 in words is "twenty-two million, five hundred forty-one thousand, two hundred forty-two".