22980005 has 16 divisors (see below), whose sum is σ = 29754864. Its totient is φ = 16972800.

The previous prime is 22979993. The next prime is 22980011. The reversal of 22980005 is 50008922.

It can be written as a sum of positive squares in 8 ways, for example, as 833569 + 22146436 = 913^2 + 4706^2 .

It is not a de Polignac number, because 22980005 - 2¹⁸ = 22717861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1859679).

Almost surely, 2^22980005 is an apocalyptic number.

It is an amenable number.

22980005 is a deficient number, since it is larger than the sum of its proper divisors (6774859).

22980005 is a wasteful number, since it uses less digits than its factorization.

22980005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 22980005 is about 4793.7464471956. The cubic root of 22980005 is about 284.3042637733.

Adding to 22980005 its reverse (50008922), we get a palindrome (72988927).

The spelling of 22980005 in words is "twenty-two million, nine hundred eighty thousand, five".