1132220 has 12 divisors (see below), whose sum is σ = 2377704. Its totient is φ = 452880.

The previous prime is 1132199. The next prime is 1132223. The reversal of 1132220 is 222311.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132223) 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, 28286 + ... + 28325.

It is an arithmetic number, because the mean of its divisors is an integer number (198142).

2^1132220 is an apocalyptic number.

1132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132220 is an abundant number, since it is smaller than the sum of its proper divisors (1245484).

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

1132220 is a wasteful number, since it uses less digits than its factorization.

1132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56620 (or 56618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1132220 is about 1064.0582690812. The cubic root of 1132220 is about 104.2262088034.

Adding to 1132220 its reverse (222311), we get a palindrome (1354531).

Subtracting from 1132220 its reverse (222311), we obtain a palindrome (909909).

The spelling of 1132220 in words is "one million, one hundred thirty-two thousand, two hundred twenty".