11225549 has 2 divisors, whose sum is σ = 11225550. Its totient is φ = 11225548.

The previous prime is 11225531. The next prime is 11225551. The reversal of 11225549 is 94552211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8369449 + 2856100 = 2893^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 11225549 - 2¹² = 11221453 is a prime.

Together with 11225551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11225509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612774 + 5612775.

It is an arithmetic number, because the mean of its divisors is an integer number (5612775).

Almost surely, 2^11225549 is an apocalyptic number.

It is an amenable number.

11225549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11225549 is an equidigital number, since it uses as much as digits as its factorization.

11225549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 11225549 is about 3350.4550437217. The cubic root of 11225549 is about 223.9077865018.

The spelling of 11225549 in words is "eleven million, two hundred twenty-five thousand, five hundred forty-nine".