268229447 has 2 divisors, whose sum is σ = 268229448. Its totient is φ = 268229446.

The previous prime is 268229371. The next prime is 268229459. The reversal of 268229447 is 744922862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268229447 - 2¹² = 268225351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268229398 and 268229407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268229747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134114723 + 134114724.

It is an arithmetic number, because the mean of its divisors is an integer number (134114724).

Almost surely, 2^268229447 is an apocalyptic number.

268229447 is a deficient number, since it is larger than the sum of its proper divisors (1).

268229447 is an equidigital number, since it uses as much as digits as its factorization.

268229447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 268229447 is about 16377.7118975759. The cubic root of 268229447 is about 644.9145146407.

The spelling of 268229447 in words is "two hundred sixty-eight million, two hundred twenty-nine thousand, four hundred forty-seven".