22544342 has 8 divisors (see below), whose sum is σ = 34641432. Its totient is φ = 10997200.

The previous prime is 22544293. The next prime is 22544351. The reversal of 22544342 is 24344522.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137384 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (4330179).

Almost surely, 2^22544342 is an apocalyptic number.

22544342 is a deficient number, since it is larger than the sum of its proper divisors (12097090).

22544342 is a wasteful number, since it uses less digits than its factorization.

22544342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274974.

The product of its digits is 7680, while the sum is 26.

The square root of 22544342 is about 4748.0882468632. The cubic root of 22544342 is about 282.4961421668.

Adding to 22544342 its reverse (24344522), we get a palindrome (46888864).

The spelling of 22544342 in words is "twenty-two million, five hundred forty-four thousand, three hundred forty-two".