2230405129 has 4 divisors (see below), whose sum is σ = 2235243780. Its totient is φ = 2225566480.

The previous prime is 2230405127. The next prime is 2230405169. The reversal of 2230405129 is 9215040322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9215040322 = 2 ⋅4607520161.

It can be written as a sum of positive squares in 2 ways, for example, as 1622881225 + 607523904 = 40285^2 + 24648^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230405129 - 2¹ = 2230405127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230405097 and 2230405106.

It is not an unprimeable number, because it can be changed into a prime (2230405123) 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 3 ways as a sum of consecutive naturals, for example, 2418634 + ... + 2419555.

It is an arithmetic number, because the mean of its divisors is an integer number (558810945).

Almost surely, 2^2230405129 is an apocalyptic number.

It is an amenable number.

2230405129 is a deficient number, since it is larger than the sum of its proper divisors (4838651).

2230405129 is an equidigital number, since it uses as much as digits as its factorization.

2230405129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838650.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2230405129 is about 47227.1651594715. The cubic root of 2230405129 is about 1306.5556682041. Note that the first 3 decimals are identical.

The spelling of 2230405129 in words is "two billion, two hundred thirty million, four hundred five thousand, one hundred twenty-nine".