22543342 has 8 divisors (see below), whose sum is σ = 33908256. Its totient is φ = 11240592.

The previous prime is 22543331. The next prime is 22543351. The reversal of 22543342 is 24334522.

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, 14623 + ... + 16090.

It is an arithmetic number, because the mean of its divisors is an integer number (4238532).

Almost surely, 2^22543342 is an apocalyptic number.

22543342 is a deficient number, since it is larger than the sum of its proper divisors (11364914).

22543342 is a wasteful number, since it uses less digits than its factorization.

22543342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082.

The product of its digits is 5760, while the sum is 25.

The square root of 22543342 is about 4747.9829401547. The cubic root of 22543342 is about 282.4919652086.

Adding to 22543342 its reverse (24334522), we get a palindrome (46877864).

The spelling of 22543342 in words is "twenty-two million, five hundred forty-three thousand, three hundred forty-two".