1322011223 has 8 divisors (see below), whose sum is σ = 1423986816. Its totient is φ = 1220076000.

The previous prime is 1322011219. The next prime is 1322011247. The reversal of 1322011223 is 3221102231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1322011223 - 2² = 1322011219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322014223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123578 + ... + 133848.

It is an arithmetic number, because the mean of its divisors is an integer number (177998352).

Almost surely, 2^1322011223 is an apocalyptic number.

1322011223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1322011223 is a deficient number, since it is larger than the sum of its proper divisors (101975593).

1322011223 is a wasteful number, since it uses less digits than its factorization.

1322011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322011223 is about 36359.4722596465. The cubic root of 1322011223 is about 1097.5181575201.

Adding to 1322011223 its reverse (3221102231), we get a palindrome (4543113454).

The spelling of 1322011223 in words is "one billion, three hundred twenty-two million, eleven thousand, two hundred twenty-three".