1122312213 has 64 divisors (see below), whose sum is σ = 1851494400. Its totient is φ = 666247680.

The previous prime is 1122312203. The next prime is 1122312223. The reversal of 1122312213 is 3122132211.

It is an interprime number because it is at equal distance from previous prime (1122312203) and next prime (1122312223).

It is not a de Polignac number, because 1122312213 - 2¹⁰ = 1122311189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4695748 + ... + 4695986.

It is an arithmetic number, because the mean of its divisors is an integer number (28929600).

Almost surely, 2^1122312213 is an apocalyptic number.

It is an amenable number.

1122312213 is a deficient number, since it is larger than the sum of its proper divisors (729182187).

1122312213 is a wasteful number, since it uses less digits than its factorization.

1122312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 513 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1122312213 is about 33500.9285393704. The cubic root of 1122312213 is about 1039.2129810661.

Adding to 1122312213 its reverse (3122132211), we get a palindrome (4244444424).

It can be divided in two parts, 11223 and 12213, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 1122312213 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirteen".