22187041 has 16 divisors (see below), whose sum is σ = 24371200. Its totient is φ = 20120400.

The previous prime is 22187029. The next prime is 22187047. The reversal of 22187041 is 14078122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22187041 - 2¹¹ = 22184993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22186997 and 22187015.

It is not an unprimeable number, because it can be changed into a prime (22187047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81736 + ... + 82006.

It is an arithmetic number, because the mean of its divisors is an integer number (1523200).

Almost surely, 2^22187041 is an apocalyptic number.

22187041 is the 2720-th hex number.

It is an amenable number.

22187041 is a deficient number, since it is larger than the sum of its proper divisors (2184159).

22187041 is a wasteful number, since it uses less digits than its factorization.

22187041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 22187041 is about 4710.3121977211. The cubic root of 22187041 is about 280.9957784433.

The spelling of 22187041 in words is "twenty-two million, one hundred eighty-seven thousand, forty-one".