248221177 has 2 divisors, whose sum is σ = 248221178. Its totient is φ = 248221176.

The previous prime is 248221163. The next prime is 248221189. The reversal of 248221177 is 771122842.

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., 153041641 + 95179536 = 12371^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 248221177 - 2¹¹ = 248219129 is a prime.

It is a super-2 number, since 2×248221177² = 123227505422530658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248221277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124110588 + 124110589.

It is an arithmetic number, because the mean of its divisors is an integer number (124110589).

Almost surely, 2^248221177 is an apocalyptic number.

It is an amenable number.

248221177 is a deficient number, since it is larger than the sum of its proper divisors (1).

248221177 is an equidigital number, since it uses as much as digits as its factorization.

248221177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 248221177 is about 15755.0365597799. The cubic root of 248221177 is about 628.4628494836.

The spelling of 248221177 in words is "two hundred forty-eight million, two hundred twenty-one thousand, one hundred seventy-seven".