2212994305 has 4 divisors (see below), whose sum is σ = 2655593172. Its totient is φ = 1770395440.

The previous prime is 2212994297. The next prime is 2212994341. The reversal of 2212994305 is 5034992122.

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 553002256 + 1659992049 = 23516^2 + 40743^2 .

It is not a de Polignac number, because 2212994305 - 2³ = 2212994297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221299426 + ... + 221299435.

It is an arithmetic number, because the mean of its divisors is an integer number (663898293).

Almost surely, 2^2212994305 is an apocalyptic number.

It is an amenable number.

2212994305 is a deficient number, since it is larger than the sum of its proper divisors (442598867).

2212994305 is an equidigital number, since it uses as much as digits as its factorization.

2212994305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442598866.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2212994305 is about 47042.4734149896. The cubic root of 2212994305 is about 1303.1470706159.

The spelling of 2212994305 in words is "two billion, two hundred twelve million, nine hundred ninety-four thousand, three hundred five".