11227749 has 16 divisors (see below), whose sum is σ = 16824192. Its totient is φ = 6608448.

The previous prime is 11227739. The next prime is 11227751. The reversal of 11227749 is 94772211.

11227749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11227749 - 2¹⁹ = 10703461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (1051512).

Almost surely, 2^11227749 is an apocalyptic number.

It is an amenable number.

11227749 is a deficient number, since it is larger than the sum of its proper divisors (5596443).

11227749 is a wasteful number, since it uses less digits than its factorization.

11227749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556.

The product of its digits is 7056, while the sum is 33.

The square root of 11227749 is about 3350.7833412502. The cubic root of 11227749 is about 223.9224128081.

The spelling of 11227749 in words is "eleven million, two hundred twenty-seven thousand, seven hundred forty-nine".