228495977 has 2 divisors, whose sum is σ = 228495978. Its totient is φ = 228495976.

The previous prime is 228495941. The next prime is 228495991. The reversal of 228495977 is 779594822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213043216 + 15452761 = 14596^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 228495977 - 2⁸ = 228495721 is a prime.

It is not a weakly prime, because it can be changed into another prime (228495677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114247988 + 114247989.

It is an arithmetic number, because the mean of its divisors is an integer number (114247989).

Almost surely, 2^228495977 is an apocalyptic number.

It is an amenable number.

228495977 is a deficient number, since it is larger than the sum of its proper divisors (1).

228495977 is an equidigital number, since it uses as much as digits as its factorization.

228495977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 228495977 is about 15116.0833882325. The cubic root of 228495977 is about 611.3541331977.

The spelling of 228495977 in words is "two hundred twenty-eight million, four hundred ninety-five thousand, nine hundred seventy-seven".