1322001223 has 4 divisors (see below), whose sum is σ = 1322090728. Its totient is φ = 1321911720.

The previous prime is 1322001203. The next prime is 1322001257. The reversal of 1322001223 is 3221002231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1322001223 - 2⁹ = 1322000711 is a prime.

It is a super-3 number, since 3×1322001223³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322001197 and 1322001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322001203) 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, 16761 + ... + 54082.

It is an arithmetic number, because the mean of its divisors is an integer number (330522682).

Almost surely, 2^1322001223 is an apocalyptic number.

1322001223 is a deficient number, since it is larger than the sum of its proper divisors (89505).

1322001223 is an equidigital number, since it uses as much as digits as its factorization.

1322001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89504.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322001223 is about 36359.3347436391. The cubic root of 1322001223 is about 1097.5153902191.

Adding to 1322001223 its reverse (3221002231), we get a palindrome (4543003454).

The spelling of 1322001223 in words is "one billion, three hundred twenty-two million, one thousand, two hundred twenty-three".