22847121 has 12 divisors (see below), whose sum is σ = 36001680. Its totient is φ = 13846680.

The previous prime is 22847117. The next prime is 22847129. The reversal of 22847121 is 12174822.

It is not a de Polignac number, because 22847121 - 2² = 22847117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22847129) 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 11 ways as a sum of consecutive naturals, for example, 115291 + ... + 115488.

It is an arithmetic number, because the mean of its divisors is an integer number (3000140).

Almost surely, 2^22847121 is an apocalyptic number.

It is an amenable number.

22847121 is a deficient number, since it is larger than the sum of its proper divisors (13154559).

22847121 is a wasteful number, since it uses less digits than its factorization.

22847121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230796 (or 230793 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 22847121 is about 4779.8662115168. The cubic root of 22847121 is about 283.7551988542.

The spelling of 22847121 in words is "twenty-two million, eight hundred forty-seven thousand, one hundred twenty-one".