1122323213 has 4 divisors (see below), whose sum is σ = 1224352608. Its totient is φ = 1020293820.

The previous prime is 1122323173. The next prime is 1122323219. The reversal of 1122323213 is 3123232211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123232211 = 11 ⋅283930201.

It is a cyclic number.

It is not a de Polignac number, because 1122323213 - 2⁶ = 1122323149 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 (1122323219) 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, 51014681 + ... + 51014702.

It is an arithmetic number, because the mean of its divisors is an integer number (306088152).

Almost surely, 2^1122323213 is an apocalyptic number.

It is an amenable number.

1122323213 is a deficient number, since it is larger than the sum of its proper divisors (102029395).

1122323213 is a wasteful number, since it uses less digits than its factorization.

1122323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102029394.

The product of its digits is 432, while the sum is 20.

The square root of 1122323213 is about 33501.0927135220. The cubic root of 1122323213 is about 1039.2163762311.

Adding to 1122323213 its reverse (3123232211), we get a palindrome (4245555424).

The spelling of 1122323213 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred thirteen".