22347638 has 8 divisors (see below), whose sum is σ = 33573288. Its totient is φ = 11156544.

The previous prime is 22347623. The next prime is 22347641. The reversal of 22347638 is 83674322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22347598 and 22347607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (4196661).

Almost surely, 2^22347638 is an apocalyptic number.

22347638 is a deficient number, since it is larger than the sum of its proper divisors (11225650).

22347638 is a wasteful number, since it uses less digits than its factorization.

22347638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17278.

The product of its digits is 48384, while the sum is 35.

The square root of 22347638 is about 4727.3288440725. The cubic root of 22347638 is about 281.6721287100.

The spelling of 22347638 in words is "twenty-two million, three hundred forty-seven thousand, six hundred thirty-eight".