22871947 has 8 divisors (see below), whose sum is σ = 26316000. Its totient is φ = 19472064.

The previous prime is 22871941. The next prime is 22871951. The reversal of 22871947 is 74917822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22871947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22871941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9922 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (3289500).

Almost surely, 2^22871947 is an apocalyptic number.

22871947 is a deficient number, since it is larger than the sum of its proper divisors (3444053).

22871947 is a wasteful number, since it uses less digits than its factorization.

22871947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085.

The product of its digits is 56448, while the sum is 40.

The square root of 22871947 is about 4782.4624410444. The cubic root of 22871947 is about 283.8579391010.

The spelling of 22871947 in words is "twenty-two million, eight hundred seventy-one thousand, nine hundred forty-seven".