22141565 has 8 divisors (see below), whose sum is σ = 28132920. Its totient is φ = 16671232.

The previous prime is 22141543. The next prime is 22141589. The reversal of 22141565 is 56514122.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 21335161 = 898^2 + 4619^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22141565 - 2⁸ = 22141309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130160 + ... + 130329.

It is an arithmetic number, because the mean of its divisors is an integer number (3516615).

Almost surely, 2^22141565 is an apocalyptic number.

It is an amenable number.

22141565 is a deficient number, since it is larger than the sum of its proper divisors (5991355).

22141565 is a wasteful number, since it uses less digits than its factorization.

22141565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260511.

The product of its digits is 2400, while the sum is 26.

The square root of 22141565 is about 4705.4824407280. The cubic root of 22141565 is about 280.8036647290.

Adding to 22141565 its reverse (56514122), we get a palindrome (78655687).

The spelling of 22141565 in words is "twenty-two million, one hundred forty-one thousand, five hundred sixty-five".