22242534 has 16 divisors (see below), whose sum is σ = 44653680. Its totient is φ = 7386080.

The previous prime is 22242533. The next prime is 22242553. The reversal of 22242534 is 43524222.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242533) 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, 5277 + ... + 8504.

It is an arithmetic number, because the mean of its divisors is an integer number (2790855).

Almost surely, 2^22242534 is an apocalyptic number.

22242534 is an abundant number, since it is smaller than the sum of its proper divisors (22411146).

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

22242534 is a wasteful number, since it uses less digits than its factorization.

22242534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055.

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

The square root of 22242534 is about 4716.1991052117. The cubic root of 22242534 is about 281.2298537668.

Adding to 22242534 its reverse (43524222), we get a palindrome (65766756).

It can be divided in two parts, 22 and 242534, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 22242534 in words is "twenty-two million, two hundred forty-two thousand, five hundred thirty-four".