11222549 has 8 divisors (see below), whose sum is σ = 12118680. Its totient is φ = 10331136.

The previous prime is 11222539. The next prime is 11222573. The reversal of 11222549 is 94522211.

11222549 is digitally balanced in base 3, 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 4 ways, for example, as 1643524 + 9579025 = 1282^2 + 3095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222539) 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 in 7 ways as a sum of consecutive naturals, for example, 4997 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (1514835).

Almost surely, 2^11222549 is an apocalyptic number.

It is an amenable number.

11222549 is a deficient number, since it is larger than the sum of its proper divisors (896131).

11222549 is a wasteful number, since it uses less digits than its factorization.

11222549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its digits is 1440, while the sum is 26.

The square root of 11222549 is about 3350.0073134249. The cubic root of 11222549 is about 223.8878384587.

It can be divided in two parts, 112225 and 49, that multiplied together give a square (5499025 = 2345²).

The spelling of 11222549 in words is "eleven million, two hundred twenty-two thousand, five hundred forty-nine".