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: 9213122 = 2 ⋅4606561.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2213129 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2213129.
22213129 is an apocalyptic number.
It is an amenable number.
2213129 is an equidigital number, since it uses as much as digits as its factorization.
2213129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96246.
The square root of 2213129 is about 1487.6588990760. The cubic root of 2213129 is about 130.3173508978.
The spelling of 2213129 in words is "two million, two hundred thirteen thousand, one hundred twenty-nine".