22386947 has 8 divisors (see below), whose sum is σ = 24660480. Its totient is φ = 20153160.

The previous prime is 22386937. The next prime is 22387003. The reversal of 22386947 is 74968322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22386947 - 2¹² = 22382851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22386937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (3082560).

Almost surely, 2^22386947 is an apocalyptic number.

22386947 is a deficient number, since it is larger than the sum of its proper divisors (2273533).

22386947 is a wasteful number, since it uses less digits than its factorization.

22386947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873.

The product of its digits is 145152, while the sum is 41.

The square root of 22386947 is about 4731.4846507201. The cubic root of 22386947 is about 281.8371836492.

The spelling of 22386947 in words is "twenty-two million, three hundred eighty-six thousand, nine hundred forty-seven".