2212322993 has 4 divisors (see below), whose sum is σ = 2212908528. Its totient is φ = 2211737460.

The previous prime is 2212322963. The next prime is 2212323017. The reversal of 2212322993 is 3992232122.

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: 3992232122 = 2 ⋅1996116061.

It is a cyclic number.

It is not a de Polignac number, because 2212322993 - 2¹⁴ = 2212306609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212322963) 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, 287063 + ... + 294668.

It is an arithmetic number, because the mean of its divisors is an integer number (553227132).

Almost surely, 2^2212322993 is an apocalyptic number.

It is an amenable number.

2212322993 is a deficient number, since it is larger than the sum of its proper divisors (585535).

2212322993 is an equidigital number, since it uses as much as digits as its factorization.

2212322993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585534.

The product of its digits is 23328, while the sum is 35.

The square root of 2212322993 is about 47035.3377047513. The cubic root of 2212322993 is about 1303.0152873667.

The spelling of 2212322993 in words is "two billion, two hundred twelve million, three hundred twenty-two thousand, nine hundred ninety-three".