22886147 has 4 divisors (see below), whose sum is σ = 22908000. Its totient is φ = 22864296.

The previous prime is 22886137. The next prime is 22886189. The reversal of 22886147 is 74168822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22886147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22886147.

It is not an unprimeable number, because it can be changed into a prime (22886117) by changing a digit.

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, 9272 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (5727000).

Almost surely, 2^22886147 is an apocalyptic number.

22886147 is a deficient number, since it is larger than the sum of its proper divisors (21853).

22886147 is a wasteful number, since it uses less digits than its factorization.

22886147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21852.

The product of its digits is 43008, while the sum is 38.

The square root of 22886147 is about 4783.9468015437. The cubic root of 22886147 is about 283.9166711489.

The spelling of 22886147 in words is "twenty-two million, eight hundred eighty-six thousand, one hundred forty-seven".