11229257 has 8 divisors (see below), whose sum is σ = 12165384. Its totient is φ = 10303488.

The previous prime is 11229227. The next prime is 11229301. The reversal of 11229257 is 75292211.

It can be written as a sum of positive squares in 4 ways, for example, as 1394761 + 9834496 = 1181^2 + 3136^2 .

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

It is not a de Polignac number, because 11229257 - 2¹⁰ = 11228233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11229217) 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 7 ways as a sum of consecutive naturals, for example, 248 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (1520673).

Almost surely, 2^11229257 is an apocalyptic number.

It is an amenable number.

11229257 is a deficient number, since it is larger than the sum of its proper divisors (936127).

11229257 is a wasteful number, since it uses less digits than its factorization.

11229257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179.

The product of its digits is 2520, while the sum is 29.

The square root of 11229257 is about 3351.0083557043. The cubic root of 11229257 is about 223.9324373726.

The spelling of 11229257 in words is "eleven million, two hundred twenty-nine thousand, two hundred fifty-seven".