11221048 has 16 divisors (see below), whose sum is σ = 21105000. Its totient is φ = 5593056.

The previous prime is 11221043. The next prime is 11221051. The reversal of 11221048 is 84012211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783 + ... + 4801.

Almost surely, 2^11221048 is an apocalyptic number.

It is an amenable number.

11221048 is a deficient number, since it is larger than the sum of its proper divisors (9883952).

11221048 is a wasteful number, since it uses less digits than its factorization.

11221048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11221048 is about 3349.7832765718. The cubic root of 11221048 is about 223.8778564534.

Adding to 11221048 its reverse (84012211), we get a palindrome (95233259).

The spelling of 11221048 in words is "eleven million, two hundred twenty-one thousand, forty-eight".