1662226 has 8 divisors (see below), whose sum is σ = 2640060. Its totient is φ = 782208.

The previous prime is 1662223. The next prime is 1662229. The reversal of 1662226 is 6222661.

It is an interprime number because it is at equal distance from previous prime (1662223) and next prime (1662229).

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 62001 = 1265^2 + 249^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1662226.

It is not an unprimeable number, because it can be changed into a prime (1662223) 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, 24411 + ... + 24478.

2^1662226 is an apocalyptic number.

1662226 is a deficient number, since it is larger than the sum of its proper divisors (977834).

1662226 is a wasteful number, since it uses less digits than its factorization.

1662226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48908.

The product of its digits is 1728, while the sum is 25.

The square root of 1662226 is about 1289.2734388019. The cubic root of 1662226 is about 118.4577166405.

Adding to 1662226 its reverse (6222661), we get a palindrome (7884887).

The spelling of 1662226 in words is "one million, six hundred sixty-two thousand, two hundred twenty-six".