11221264 has 10 divisors (see below), whose sum is σ = 21741230. Its totient is φ = 5610624.

The previous prime is 11221253. The next prime is 11221283. The reversal of 11221264 is 46212211.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 3268864 = 2820^2 + 1808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350649 + ... + 350680.

It is an arithmetic number, because the mean of its divisors is an integer number (2174123).

Almost surely, 2^11221264 is an apocalyptic number.

It is an amenable number.

11221264 is a deficient number, since it is larger than the sum of its proper divisors (10519966).

11221264 is an equidigital number, since it uses as much as digits as its factorization.

11221264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701337 (or 701331 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 11221264 is about 3349.8155173084. The cubic root of 11221264 is about 223.8792929594.

Adding to 11221264 its reverse (46212211), we get a palindrome (57433475).

The spelling of 11221264 in words is "eleven million, two hundred twenty-one thousand, two hundred sixty-four".