22130565 has 8 divisors (see below), whose sum is σ = 35408928. Its totient is φ = 11802960.

The previous prime is 22130543. The next prime is 22130579. The reversal of 22130565 is 56503122.

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

It is not a de Polignac number, because 22130565 - 2⁵ = 22130533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 737671 + ... + 737700.

It is an arithmetic number, because the mean of its divisors is an integer number (4426116).

Almost surely, 2^22130565 is an apocalyptic number.

It is an amenable number.

22130565 is a deficient number, since it is larger than the sum of its proper divisors (13278363).

22130565 is a wasteful number, since it uses less digits than its factorization.

22130565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475379.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 22130565 is about 4704.3134461896. The cubic root of 22130565 is about 280.7571556412.

Adding to 22130565 its reverse (56503122), we get a palindrome (78633687).

The spelling of 22130565 in words is "twenty-two million, one hundred thirty thousand, five hundred sixty-five".