22260005 has 4 divisors (see below), whose sum is σ = 26712012. Its totient is φ = 17808000.

The previous prime is 22259981. The next prime is 22260031. The reversal of 22260005 is 50006222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 15737089 = 2554^2 + 3967^2 .

It is not a de Polignac number, because 22260005 - 2¹⁰ = 22258981 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2225996 + ... + 2226005.

It is an arithmetic number, because the mean of its divisors is an integer number (6678003).

Almost surely, 2^22260005 is an apocalyptic number.

It is an amenable number.

22260005 is a deficient number, since it is larger than the sum of its proper divisors (4452007).

22260005 is an equidigital number, since it uses as much as digits as its factorization.

22260005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452006.

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

The square root of 22260005 is about 4718.0509747140. The cubic root of 22260005 is about 281.3034676948.

Adding to 22260005 its reverse (50006222), we get a palindrome (72266227).

The spelling of 22260005 in words is "twenty-two million, two hundred sixty thousand, five".