22662005 has 8 divisors (see below), whose sum is σ = 27707832. Its totient is φ = 17787328.

The previous prime is 22662001. The next prime is 22662043. The reversal of 22662005 is 50026622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7623121 + 15038884 = 2761^2 + 3878^2 .

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 22662005 - 2² = 22662001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22662001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42494 + ... + 43023.

It is an arithmetic number, because the mean of its divisors is an integer number (3463479).

Almost surely, 2^22662005 is an apocalyptic number.

It is an amenable number.

22662005 is a deficient number, since it is larger than the sum of its proper divisors (5045827).

22662005 is an equidigital number, since it uses as much as digits as its factorization.

22662005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85575.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22662005 is about 4760.4626875967. The cubic root of 22662005 is about 282.9867557804.

Adding to 22662005 its reverse (50026622), we get a palindrome (72688627).

The spelling of 22662005 in words is "twenty-two million, six hundred sixty-two thousand, five".