11222249 has 4 divisors (see below), whose sum is σ = 11236740. Its totient is φ = 11207760.

The previous prime is 11222243. The next prime is 11222251. The reversal of 11222249 is 94222211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5784025 + 5438224 = 2405^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222249 - 2⁸ = 11221993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11222243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6014 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (2809185).

Almost surely, 2^11222249 is an apocalyptic number.

It is an amenable number.

11222249 is a deficient number, since it is larger than the sum of its proper divisors (14491).

11222249 is an equidigital number, since it uses as much as digits as its factorization.

11222249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490.

The product of its digits is 576, while the sum is 23.

The square root of 11222249 is about 3349.9625371040. The cubic root of 11222249 is about 223.8858434589.

The spelling of 11222249 in words is "eleven million, two hundred twenty-two thousand, two hundred forty-nine".