22534242 has 8 divisors (see below), whose sum is σ = 45068496. Its totient is φ = 7511412.

The previous prime is 22534229. The next prime is 22534243. The reversal of 22534242 is 24243522.

It is a happy number.

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

22534242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22534243) 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 3 ways as a sum of consecutive naturals, for example, 1877848 + ... + 1877859.

It is an arithmetic number, because the mean of its divisors is an integer number (5633562).

Almost surely, 2^22534242 is an apocalyptic number.

22534242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22534242 is a wasteful number, since it uses less digits than its factorization.

22534242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755712.

The product of its digits is 3840, while the sum is 24.

The square root of 22534242 is about 4747.0245417524. The cubic root of 22534242 is about 282.4539492117.

Adding to 22534242 its reverse (24243522), we get a palindrome (46777764).

The spelling of 22534242 in words is "twenty-two million, five hundred thirty-four thousand, two hundred forty-two".