1332218 has 4 divisors (see below), whose sum is σ = 1998330. Its totient is φ = 666108.

The previous prime is 1332217. The next prime is 1332251. The reversal of 1332218 is 8122331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 2809 = 1153^2 + 53^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1332218.

It is not an unprimeable number, because it can be changed into a prime (1332217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333053 + ... + 333056.

2^1332218 is an apocalyptic number.

1332218 is a deficient number, since it is larger than the sum of its proper divisors (666112).

1332218 is an equidigital number, since it uses as much as digits as its factorization.

1332218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666111.

The product of its digits is 288, while the sum is 20.

The square root of 1332218 is about 1154.2174838392. The cubic root of 1332218 is about 110.0335434892.

Adding to 1332218 its reverse (8122331), we get a palindrome (9454549).

The spelling of 1332218 in words is "one million, three hundred thirty-two thousand, two hundred eighteen".