2212430257 has 2 divisors, whose sum is σ = 2212430258. Its totient is φ = 2212430256.

The previous prime is 2212430239. The next prime is 2212430261. The reversal of 2212430257 is 7520342122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2113148961 + 99281296 = 45969^2 + 9964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212430257 - 2²³ = 2204041649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212430267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106215128 + 1106215129.

It is an arithmetic number, because the mean of its divisors is an integer number (1106215129).

Almost surely, 2^2212430257 is an apocalyptic number.

It is an amenable number.

2212430257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212430257 is an equidigital number, since it uses as much as digits as its factorization.

2212430257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2212430257 is about 47036.4779399989. The cubic root of 2212430257 is about 1303.0363458308.

Adding to 2212430257 its reverse (7520342122), we get a palindrome (9732772379).

The spelling of 2212430257 in words is "two billion, two hundred twelve million, four hundred thirty thousand, two hundred fifty-seven".