1322733 has 4 divisors (see below), whose sum is σ = 1763648. Its totient is φ = 881820.

The previous prime is 1322731. The next prime is 1322743. The reversal of 1322733 is 3372231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1322733 - 2¹ = 1322731 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322731) 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, 220453 + ... + 220458.

It is an arithmetic number, because the mean of its divisors is an integer number (440912).

2^1322733 is an apocalyptic number.

It is an amenable number.

1322733 is a deficient number, since it is larger than the sum of its proper divisors (440915).

1322733 is an equidigital number, since it uses as much as digits as its factorization.

1322733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440914.

The product of its digits is 756, while the sum is 21.

The square root of 1322733 is about 1150.1012998862. The cubic root of 1322733 is about 109.7717858105.

Adding to 1322733 its reverse (3372231), we get a palindrome (4694964).

The spelling of 1322733 in words is "one million, three hundred twenty-two thousand, seven hundred thirty-three".