2212200857 has 2 divisors, whose sum is σ = 2212200858. Its totient is φ = 2212200856.

The previous prime is 2212200853. The next prime is 2212200877. The reversal of 2212200857 is 7580022122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311960841 + 900240016 = 36221^2 + 30004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212200857 - 2² = 2212200853 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212200853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106100428 + 1106100429.

It is an arithmetic number, because the mean of its divisors is an integer number (1106100429).

Almost surely, 2^2212200857 is an apocalyptic number.

It is an amenable number.

2212200857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212200857 is an equidigital number, since it uses as much as digits as its factorization.

2212200857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 2212200857 is about 47034.0393438624. The cubic root of 2212200857 is about 1302.9913083479.

Adding to 2212200857 its reverse (7580022122), we get a palindrome (9792222979).

The spelling of 2212200857 in words is "two billion, two hundred twelve million, two hundred thousand, eight hundred fifty-seven".