11133225 has 18 divisors (see below), whose sum is σ = 19941246. Its totient is φ = 5937600.

The previous prime is 11133217. The next prime is 11133229. The reversal of 11133225 is 52233111.

It can be written as a sum of positive squares in 3 ways, for example, as 24336 + 11108889 = 156^2 + 3333^2 .

It is not a de Polignac number, because 11133225 - 2³ = 11133217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133198 and 11133207.

It is not an unprimeable number, because it can be changed into a prime (11133229) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 24516 + ... + 24965.

It is an arithmetic number, because the mean of its divisors is an integer number (1107847).

Almost surely, 2^11133225 is an apocalyptic number.

11133225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11133225 is a deficient number, since it is larger than the sum of its proper divisors (8808021).

11133225 is a wasteful number, since it uses less digits than its factorization.

11133225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49497 (or 49489 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11133225 is about 3336.6487678508. The cubic root of 11133225 is about 223.2922562506.

Adding to 11133225 its reverse (52233111), we get a palindrome (63366336).

The spelling of 11133225 in words is "eleven million, one hundred thirty-three thousand, two hundred twenty-five".