11221444 has 12 divisors (see below), whose sum is σ = 21148204. Its totient is φ = 5179104.

The previous prime is 11221439. The next prime is 11221451. The reversal of 11221444 is 44412211.

11221444 is digitally balanced in base 2, 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 2 ways, for example, as 4251844 + 6969600 = 2062^2 + 2640^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107847 + ... + 107950.

Almost surely, 2^11221444 is an apocalyptic number.

It is an amenable number.

11221444 is a deficient number, since it is larger than the sum of its proper divisors (9926760).

11221444 is a wasteful number, since it uses less digits than its factorization.

11221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215814 (or 215812 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 11221444 is about 3349.8423843518. The cubic root of 11221444 is about 223.8804900336.

Adding to 11221444 its reverse (44412211), we get a palindrome (55633655).

The spelling of 11221444 in words is "eleven million, two hundred twenty-one thousand, four hundred forty-four".