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1322 = 2661
BaseRepresentation
bin10100101010
31210222
4110222
520242
610042
73566
oct2452
91728
101322
11aa2
12922
137a9
146a6
155d2
hex52a

1322 has 4 divisors (see below), whose sum is σ = 1986. Its totient is φ = 660.

The previous prime is 1321. The next prime is 1327. The reversal of 1322 is 2231.

Adding to 1322 its reverse (2231), we get a palindrome (3553).

Subtracting 1322 from its reverse (2231), we obtain a palindrome (909).

It can be divided in two parts, 1 and 322, that added together give a palindrome (323).

1322 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2231 = 2397.

It can be written as a sum of positive squares in only one way, i.e., 961 + 361 = 31^2 + 19^2 .

1322 is an undulating number in base 14.

It is a plaindrome in base 7.

It is a nialpdrome in base 11 and base 12.

It is not an unprimeable number, because it can be changed into a prime (1321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329 + ... + 332.

1322 is a deficient number, since it is larger than the sum of its proper divisors (664).

1322 is an equidigital number, since it uses as much as digits as its factorization.

1322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 12, while the sum is 8.

The square root of 1322 is about 36.3593179254. The cubic root of 1322 is about 10.9751505178.

The spelling of 1322 in words is "one thousand, three hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 661 1322