22839742 has 8 divisors (see below), whose sum is σ = 34821432. Its totient is φ = 11232600.

The previous prime is 22839737. The next prime is 22839793. The reversal of 22839742 is 24793822.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93484 + ... + 93727.

It is an arithmetic number, because the mean of its divisors is an integer number (4352679).

Almost surely, 2^22839742 is an apocalyptic number.

22839742 is a deficient number, since it is larger than the sum of its proper divisors (11981690).

22839742 is a wasteful number, since it uses less digits than its factorization.

22839742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187274.

The product of its digits is 48384, while the sum is 37.

The square root of 22839742 is about 4779.0942656533. The cubic root of 22839742 is about 283.7246471555.

The spelling of 22839742 in words is "twenty-two million, eight hundred thirty-nine thousand, seven hundred forty-two".