11669225 has 12 divisors (see below), whose sum is σ = 15321564. Its totient is φ = 8785920.

The previous prime is 11669221. The next prime is 11669227. The reversal of 11669225 is 52296611.

It is a happy number.

11669225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 891136 + 10778089 = 944^2 + 3283^2 .

It is not a de Polignac number, because 11669225 - 2² = 11669221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11669191 and 11669200.

It is not an unprimeable number, because it can be changed into a prime (11669221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13304 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (1276797).

Almost surely, 2^11669225 is an apocalyptic number.

It is an amenable number.

11669225 is a deficient number, since it is larger than the sum of its proper divisors (3652339).

11669225 is a wasteful number, since it uses less digits than its factorization.

11669225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27484 (or 27479 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 11669225 is about 3416.0247364444. The cubic root of 11669225 is about 226.8196475446.

The spelling of 11669225 in words is "eleven million, six hundred sixty-nine thousand, two hundred twenty-five".