2272717457 has 2 divisors, whose sum is σ = 2272717458. Its totient is φ = 2272717456.

The previous prime is 2272717411. The next prime is 2272717493. The reversal of 2272717457 is 7547172722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1798523281 + 474194176 = 42409^2 + 21776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272717457 - 2²⁶ = 2205608593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272717957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136358728 + 1136358729.

It is an arithmetic number, because the mean of its divisors is an integer number (1136358729).

Almost surely, 2^2272717457 is an apocalyptic number.

It is an amenable number.

2272717457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272717457 is an equidigital number, since it uses as much as digits as its factorization.

2272717457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384160, while the sum is 44.

The square root of 2272717457 is about 47673.0265139523. The cubic root of 2272717457 is about 1314.7660543694.

The spelling of 2272717457 in words is "two billion, two hundred seventy-two million, seven hundred seventeen thousand, four hundred fifty-seven".