11225605 has 4 divisors (see below), whose sum is σ = 13470732. Its totient is φ = 8980480.

The previous prime is 11225567. The next prime is 11225609. The reversal of 11225605 is 50652211.

11225605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1151329 + 10074276 = 1073^2 + 3174^2 .

It is not a de Polignac number, because 11225605 - 2¹¹ = 11223557 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122556 + ... + 1122565.

It is an arithmetic number, because the mean of its divisors is an integer number (3367683).

Almost surely, 2^11225605 is an apocalyptic number.

It is an amenable number.

11225605 is a deficient number, since it is larger than the sum of its proper divisors (2245127).

11225605 is an equidigital number, since it uses as much as digits as its factorization.

11225605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245126.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 11225605 is about 3350.4634007850. The cubic root of 11225605 is about 223.9081588315.

Adding to 11225605 its reverse (50652211), we get a palindrome (61877816).

The spelling of 11225605 in words is "eleven million, two hundred twenty-five thousand, six hundred five".