2212536457 has 2 divisors, whose sum is σ = 2212536458. Its totient is φ = 2212536456.

The previous prime is 2212536439. The next prime is 2212536461. The reversal of 2212536457 is 7546352122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2063794041 + 148742416 = 45429^2 + 12196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212536457 - 2⁷ = 2212536329 is a prime.

It is a super-2 number, since 2×2212536457² = 9790635147108225698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2212536427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106268228 + 1106268229.

It is an arithmetic number, because the mean of its divisors is an integer number (1106268229).

Almost surely, 2^2212536457 is an apocalyptic number.

It is an amenable number.

2212536457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212536457 is an equidigital number, since it uses as much as digits as its factorization.

2212536457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 2212536457 is about 47037.6068375082. The cubic root of 2212536457 is about 1303.0571947360.

Adding to 2212536457 its reverse (7546352122), we get a palindrome (9758888579).

The spelling of 2212536457 in words is "two billion, two hundred twelve million, five hundred thirty-six thousand, four hundred fifty-seven".