11224251 has 10 divisors (see below), whose sum is σ = 16767212. Its totient is φ = 7482780.

The previous prime is 11224249. The next prime is 11224271. The reversal of 11224251 is 15242211.

It is not a de Polignac number, because 11224251 - 2¹ = 11224249 is a prime.

It is a super-3 number, since 3×11224251³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11224271) 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 9 ways as a sum of consecutive naturals, for example, 69205 + ... + 69366.

Almost surely, 2^11224251 is an apocalyptic number.

11224251 is a deficient number, since it is larger than the sum of its proper divisors (5542961).

11224251 is an equidigital number, since it uses as much as digits as its factorization.

11224251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138583 (or 138574 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11224251 is about 3350.2613330903. The cubic root of 11224251 is about 223.8991560847.

Adding to 11224251 its reverse (15242211), we get a palindrome (26466462).

The spelling of 11224251 in words is "eleven million, two hundred twenty-four thousand, two hundred fifty-one".