2215134457 has 2 divisors, whose sum is σ = 2215134458. Its totient is φ = 2215134456.

The previous prime is 2215134451. The next prime is 2215134553. The reversal of 2215134457 is 7544315122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1837065321 + 378069136 = 42861^2 + 19444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215134457 - 2¹⁹ = 2214610169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215134451) 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, 1107567228 + 1107567229.

It is an arithmetic number, because the mean of its divisors is an integer number (1107567229).

Almost surely, 2^2215134457 is an apocalyptic number.

It is an amenable number.

2215134457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215134457 is an equidigital number, since it uses as much as digits as its factorization.

2215134457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 2215134457 is about 47065.2149362988. The cubic root of 2215134457 is about 1303.5670196177.

Adding to 2215134457 its reverse (7544315122), we get a palindrome (9759449579).

The spelling of 2215134457 in words is "two billion, two hundred fifteen million, one hundred thirty-four thousand, four hundred fifty-seven".