1162221 has 8 divisors (see below), whose sum is σ = 1599744. Its totient is φ = 749760.

The previous prime is 1162219. The next prime is 1162223. The reversal of 1162221 is 1222611.

It is an interprime number because it is at equal distance from previous prime (1162219) and next prime (1162223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1162221 - 2¹ = 1162219 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1162221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162223) 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, 6156 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (199968).

2^1162221 is an apocalyptic number.

It is an amenable number.

1162221 is a deficient number, since it is larger than the sum of its proper divisors (437523).

1162221 is a wasteful number, since it uses less digits than its factorization.

1162221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its digits is 48, while the sum is 15.

The square root of 1162221 is about 1078.0635417266. The cubic root of 1162221 is about 105.1387734252.

Adding to 1162221 its reverse (1222611), we get a palindrome (2384832).

The spelling of 1162221 in words is "one million, one hundred sixty-two thousand, two hundred twenty-one".