1322243 has 16 divisors (see below), whose sum is σ = 1564416. Its totient is φ = 1105920.

The previous prime is 1322227. The next prime is 1322257. The reversal of 1322243 is 3422231.

It is a cyclic number.

It is not a de Polignac number, because 1322243 - 2⁴ = 1322227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6755 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (97776).

2^1322243 is an apocalyptic number.

1322243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1322243 is a deficient number, since it is larger than the sum of its proper divisors (242173).

1322243 is a wasteful number, since it uses less digits than its factorization.

1322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 288, while the sum is 17.

The square root of 1322243 is about 1149.8882554405. Note that the first 3 decimals coincide. The cubic root of 1322243 is about 109.7582293285.

Adding to 1322243 its reverse (3422231), we get a palindrome (4744474).

The spelling of 1322243 in words is "one million, three hundred twenty-two thousand, two hundred forty-three".