11221752 has 32 divisors (see below), whose sum is σ = 28961280. Its totient is φ = 3619680.

The previous prime is 11221739. The next prime is 11221757. The reversal of 11221752 is 25712211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6798 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (905040).

Almost surely, 2^11221752 is an apocalyptic number.

11221752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221752 is an abundant number, since it is smaller than the sum of its proper divisors (17739528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221752 is a wasteful number, since it uses less digits than its factorization.

11221752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123 (or 15119 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 11221752 is about 3349.8883563486. Note that the first 3 decimals coincide. The cubic root of 11221752 is about 223.8825383309.

Adding to 11221752 its reverse (25712211), we get a palindrome (36933963).

The spelling of 11221752 in words is "eleven million, two hundred twenty-one thousand, seven hundred fifty-two".