1331322223 has 24 divisors (see below), whose sum is σ = 1682839424. Its totient is φ = 1030922640.

The previous prime is 1331322221. The next prime is 1331322247. The reversal of 1331322223 is 3222231331.

It is not a de Polignac number, because 1331322223 - 2¹ = 1331322221 is a prime.

It is a super-2 number, since 2×1331322223² = 3544837722907323458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331322194 and 1331322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331322221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133240 + ... + 142882.

Almost surely, 2^1331322223 is an apocalyptic number.

1331322223 is a deficient number, since it is larger than the sum of its proper divisors (351517201).

1331322223 is a wasteful number, since it uses less digits than its factorization.

1331322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835 (or 9824 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1331322223 is about 36487.2885125765. The cubic root of 1331322223 is about 1100.0887595044.

Adding to 1331322223 its reverse (3222231331), we get a palindrome (4553553554).

The spelling of 1331322223 in words is "one billion, three hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty-three".