11332220 has 24 divisors (see below), whose sum is σ = 24352944. Its totient is φ = 4427136.

The previous prime is 11332213. The next prime is 11332231. The reversal of 11332220 is 2223311.

It is a happy number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11332195 and 11332204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (1014706).

Almost surely, 2^11332220 is an apocalyptic number.

11332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11332220 is an abundant number, since it is smaller than the sum of its proper divisors (13020724).

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

11332220 is a wasteful number, since it uses less digits than its factorization.

11332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13227 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 11332220 is about 3366.3362874199. The cubic root of 11332220 is about 224.6147811788.

Adding to 11332220 its reverse (2223311), we get a palindrome (13555531).

The spelling of 11332220 in words is "eleven million, three hundred thirty-two thousand, two hundred twenty".