22244871 has 16 divisors (see below), whose sum is σ = 32842368. Its totient is φ = 13279200.

The previous prime is 22244869. The next prime is 22244879. The reversal of 22244871 is 17844222.

It is not a de Polignac number, because 22244871 - 2¹ = 22244869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244879) 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 15 ways as a sum of consecutive naturals, for example, 2820 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (2052648).

Almost surely, 2^22244871 is an apocalyptic number.

22244871 is a deficient number, since it is larger than the sum of its proper divisors (10597497).

22244871 is a wasteful number, since it uses less digits than its factorization.

22244871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its digits is 7168, while the sum is 30.

The square root of 22244871 is about 4716.4468617806. The cubic root of 22244871 is about 281.2397029317.

The spelling of 22244871 in words is "twenty-two million, two hundred forty-four thousand, eight hundred seventy-one".