2212763557 has 2 divisors, whose sum is σ = 2212763558. Its totient is φ = 2212763556.

The previous prime is 2212763549. The next prime is 2212763561. The reversal of 2212763557 is 7553672122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515856356 + 696907201 = 38934^2 + 26399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212763557 - 2³ = 2212763549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212763057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106381778 + 1106381779.

It is an arithmetic number, because the mean of its divisors is an integer number (1106381779).

Almost surely, 2^2212763557 is an apocalyptic number.

It is an amenable number.

2212763557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212763557 is an equidigital number, since it uses as much as digits as its factorization.

2212763557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 2212763557 is about 47040.0208014410. The cubic root of 2212763557 is about 1303.1017761731.

The spelling of 2212763557 in words is "two billion, two hundred twelve million, seven hundred sixty-three thousand, five hundred fifty-seven".