2212812337 has 4 divisors (see below), whose sum is σ = 2220687396. Its totient is φ = 2204937280.

The previous prime is 2212812253. The next prime is 2212812401. The reversal of 2212812337 is 7332182122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7332182122 = 2 ⋅3666091061.

It can be written as a sum of positive squares in 2 ways, for example, as 1037419681 + 1175392656 = 32209^2 + 34284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212812337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212812299 and 2212812308.

It is not an unprimeable number, because it can be changed into a prime (2212812137) 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, 3937108 + ... + 3937669.

It is an arithmetic number, because the mean of its divisors is an integer number (555171849).

Almost surely, 2^2212812337 is an apocalyptic number.

It is an amenable number.

2212812337 is a deficient number, since it is larger than the sum of its proper divisors (7875059).

2212812337 is an equidigital number, since it uses as much as digits as its factorization.

2212812337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875058.

The product of its digits is 8064, while the sum is 31.

The square root of 2212812337 is about 47040.5392932522. The cubic root of 2212812337 is about 1303.1113516558. Note that the first 3 decimals are identical.

Adding to 2212812337 its reverse (7332182122), we get a palindrome (9544994459).

The spelling of 2212812337 in words is "two billion, two hundred twelve million, eight hundred twelve thousand, three hundred thirty-seven".