1162216 has 32 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 515200.

The previous prime is 1162193. The next prime is 1162219. The reversal of 1162216 is 6122611.

It is a junction number, because it is equal to n+sod(n) for n = 1162193 and 1162202.

It is not an unprimeable number, because it can be changed into a prime (1162219) 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, 3996 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2^1162216 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 1162216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218240).

1162216 is an abundant number, since it is smaller than the sum of its proper divisors (1274264).

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

1162216 is a wasteful number, since it uses less digits than its factorization.

1162216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1162216 is about 1078.0612227513. The cubic root of 1162216 is about 105.1386226522.

Adding to 1162216 its reverse (6122611), we get a palindrome (7284827).

It can be divided in two parts, 1162 and 216, that added together give a triangular number (1378 = T₅₂).

The spelling of 1162216 in words is "one million, one hundred sixty-two thousand, two hundred sixteen".