11220352 has 64 divisors (see below), whose sum is σ = 26303760. Its totient is φ = 4700160.

The previous prime is 11220337. The next prime is 11220353. The reversal of 11220352 is 25302211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220353) 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, 17998 + ... + 18610.

Almost surely, 2^11220352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13151880).

11220352 is an abundant number, since it is smaller than the sum of its proper divisors (15083408).

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

11220352 is a wasteful number, since it uses less digits than its factorization.

11220352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11220352 is about 3349.6793876429. The cubic root of 11220352 is about 223.8732275866.

Adding to 11220352 its reverse (25302211), we get a palindrome (36522563).

The spelling of 11220352 in words is "eleven million, two hundred twenty thousand, three hundred fifty-two".