22602005 has 8 divisors (see below), whose sum is σ = 27855672. Its totient is φ = 17592768.

The previous prime is 22601989. The next prime is 22602017. The reversal of 22602005 is 50020622.

It can be written as a sum of positive squares in 4 ways, for example, as 12117361 + 10484644 = 3481^2 + 3238^2 .

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 22602005 - 2⁴ = 22601989 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60902 + ... + 61271.

It is an arithmetic number, because the mean of its divisors is an integer number (3481959).

Almost surely, 2^22602005 is an apocalyptic number.

It is an amenable number.

22602005 is a deficient number, since it is larger than the sum of its proper divisors (5253667).

22602005 is a wasteful number, since it uses less digits than its factorization.

22602005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122215.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22602005 is about 4754.1566023849. The cubic root of 22602005 is about 282.7367894871.

Adding to 22602005 its reverse (50020622), we get a palindrome (72622627).

The spelling of 22602005 in words is "twenty-two million, six hundred two thousand, five".