227272752557 has 2 divisors, whose sum is σ = 227272752558. Its totient is φ = 227272752556.

The previous prime is 227272752461. The next prime is 227272752571. The reversal of 227272752557 is 755257272722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199298852041 + 27973900516 = 446429^2 + 167254^2 .

It is a cyclic number.

It is not a de Polignac number, because 227272752557 - 2¹⁰ = 227272751533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227272752499 and 227272752508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227272752857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113636376278 + 113636376279.

It is an arithmetic number, because the mean of its divisors is an integer number (113636376279).

Almost surely, 2^227272752557 is an apocalyptic number.

It is an amenable number.

227272752557 is a deficient number, since it is larger than the sum of its proper divisors (1).

227272752557 is an equidigital number, since it uses as much as digits as its factorization.

227272752557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9604000, while the sum is 53.

The spelling of 227272752557 in words is "two hundred twenty-seven billion, two hundred seventy-two million, seven hundred fifty-two thousand, five hundred fifty-seven".