1162220 has 12 divisors (see below), whose sum is σ = 2440704. Its totient is φ = 464880.

The previous prime is 1162219. The next prime is 1162223. The reversal of 1162220 is 222611.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1162195 and 1162204.

It is not an unprimeable number, because it can be changed into a prime (1162223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29036 + ... + 29075.

It is an arithmetic number, because the mean of its divisors is an integer number (203392).

2^1162220 is an apocalyptic number.

1162220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162220 is an abundant number, since it is smaller than the sum of its proper divisors (1278484).

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

1162220 is a wasteful number, since it uses less digits than its factorization.

1162220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58120 (or 58118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1162220 is about 1078.0630779319. The cubic root of 1162220 is about 105.1387432706.

Adding to 1162220 its reverse (222611), we get a palindrome (1384831).

The spelling of 1162220 in words is "one million, one hundred sixty-two thousand, two hundred twenty".