229461887 has 2 divisors, whose sum is σ = 229461888. Its totient is φ = 229461886.

The previous prime is 229461863. The next prime is 229461913. The reversal of 229461887 is 788164922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229461887 - 2¹⁸ = 229199743 is a prime.

It is a super-3 number, since 3×229461887³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229461487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114730943 + 114730944.

It is an arithmetic number, because the mean of its divisors is an integer number (114730944).

Almost surely, 2^229461887 is an apocalyptic number.

229461887 is a deficient number, since it is larger than the sum of its proper divisors (1).

229461887 is an equidigital number, since it uses as much as digits as its factorization.

229461887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 229461887 is about 15147.9994388698. Note that the first 3 decimals coincide. The cubic root of 229461887 is about 612.2143714459.

The spelling of 229461887 in words is "two hundred twenty-nine million, four hundred sixty-one thousand, eight hundred eighty-seven".