2205412129 has 4 divisors (see below), whose sum is σ = 2209941184. Its totient is φ = 2200883076.

The previous prime is 2205412123. The next prime is 2205412169. The reversal of 2205412129 is 9212145022.

2205412129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 2205412129 - 2⁹ = 2205411617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2205412097 and 2205412106.

It is not an unprimeable number, because it can be changed into a prime (2205412123) 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, 2263797 + ... + 2264770.

It is an arithmetic number, because the mean of its divisors is an integer number (552485296).

Almost surely, 2^2205412129 is an apocalyptic number.

It is an amenable number.

2205412129 is a deficient number, since it is larger than the sum of its proper divisors (4529055).

2205412129 is an equidigital number, since it uses as much as digits as its factorization.

2205412129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529054.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2205412129 is about 46961.8156484606. The cubic root of 2205412129 is about 1301.6570838924.

The spelling of 2205412129 in words is "two billion, two hundred five million, four hundred twelve thousand, one hundred twenty-nine".