2212329409 has 4 divisors (see below), whose sum is σ = 2288616660. Its totient is φ = 2136042160.

The previous prime is 2212329397. The next prime is 2212329439. The reversal of 2212329409 is 9049232122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 487173184 + 1725156225 = 22072^2 + 41535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212329409 - 2⁵ = 2212329377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212329439) 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, 38143582 + ... + 38143639.

It is an arithmetic number, because the mean of its divisors is an integer number (572154165).

Almost surely, 2^2212329409 is an apocalyptic number.

2212329409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2212329409 is a deficient number, since it is larger than the sum of its proper divisors (76287251).

2212329409 is an equidigital number, since it uses as much as digits as its factorization.

2212329409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76287250.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2212329409 is about 47035.4059087407. The cubic root of 2212329409 is about 1303.0165469987.

The spelling of 2212329409 in words is "two billion, two hundred twelve million, three hundred twenty-nine thousand, four hundred nine".