22380605 has 32 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 15402240.

The previous prime is 22380599. The next prime is 22380623. The reversal of 22380605 is 50608322.

It is not a de Polignac number, because 22380605 - 2¹⁸ = 22118461 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 31 ways as a sum of consecutive naturals, for example, 58244 + ... + 58626.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^22380605 is an apocalyptic number.

It is an amenable number.

22380605 is a deficient number, since it is larger than the sum of its proper divisors (8585155).

22380605 is a wasteful number, since it uses less digits than its factorization.

22380605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22380605 is about 4730.8144119168. The cubic root of 22380605 is about 281.8105672429.

Adding to 22380605 its reverse (50608322), we get a palindrome (72988927).

The spelling of 22380605 in words is "twenty-two million, three hundred eighty thousand, six hundred five".