11220532 has 12 divisors (see below), whose sum is σ = 19700100. Its totient is φ = 5591936.

The previous prime is 11220491. The next prime is 11220533. The reversal of 11220532 is 23502211.

11220532 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 224676 + 10995856 = 474^2 + 3316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (1641675).

Almost surely, 2^11220532 is an apocalyptic number.

It is an amenable number.

11220532 is a deficient number, since it is larger than the sum of its proper divisors (8479568).

11220532 is a wasteful number, since it uses less digits than its factorization.

11220532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9168 counting only the distinct ones).

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

The square root of 11220532 is about 3349.7062557783. The cubic root of 11220532 is about 223.8744247257.

Adding to 11220532 its reverse (23502211), we get a palindrome (34722743).

The spelling of 11220532 in words is "eleven million, two hundred twenty thousand, five hundred thirty-two".