1322722 has 4 divisors (see below), whose sum is σ = 1984086. Its totient is φ = 661360.

The previous prime is 1322693. The next prime is 1322731. The reversal of 1322722 is 2272231.

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., 1207801 + 114921 = 1099^2 + 339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1322722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330679 + ... + 330682.

2^1322722 is an apocalyptic number.

1322722 is a deficient number, since it is larger than the sum of its proper divisors (661364).

1322722 is an equidigital number, since it uses as much as digits as its factorization.

1322722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661363.

The product of its digits is 336, while the sum is 19.

The square root of 1322722 is about 1150.0965176888. The cubic root of 1322722 is about 109.7714815180.

Adding to 1322722 its reverse (2272231), we get a palindrome (3594953).

The spelling of 1322722 in words is "one million, three hundred twenty-two thousand, seven hundred twenty-two".