2212305399 has 8 divisors (see below), whose sum is σ = 3277489520. Its totient is φ = 1474870248.

The previous prime is 2212305377. The next prime is 2212305437. The reversal of 2212305399 is 9935032122.

It is not a de Polignac number, because 2212305399 - 2¹³ = 2212297207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212325399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40968592 + ... + 40968645.

It is an arithmetic number, because the mean of its divisors is an integer number (409686190).

Almost surely, 2^2212305399 is an apocalyptic number.

2212305399 is a deficient number, since it is larger than the sum of its proper divisors (1065184121).

2212305399 is an equidigital number, since it uses as much as digits as its factorization.

2212305399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81937246 (or 81937240 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2212305399 is about 47035.1506747879. The cubic root of 2212305399 is about 1303.0118331828.

The spelling of 2212305399 in words is "two billion, two hundred twelve million, three hundred five thousand, three hundred ninety-nine".