229249887 has 4 divisors (see below), whose sum is σ = 305666520. Its totient is φ = 152833256.

The previous prime is 229249873. The next prime is 229249927. The reversal of 229249887 is 788942922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229249887 - 2⁴ = 229249871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229249807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38208312 + ... + 38208317.

It is an arithmetic number, because the mean of its divisors is an integer number (76416630).

Almost surely, 2^229249887 is an apocalyptic number.

229249887 is a deficient number, since it is larger than the sum of its proper divisors (76416633).

229249887 is an equidigital number, since it uses as much as digits as its factorization.

229249887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76416632.

The product of its digits is 1161216, while the sum is 51.

The square root of 229249887 is about 15141.0001981375. Note that the first 3 decimals coincide. The cubic root of 229249887 is about 612.0257715876.

The spelling of 229249887 in words is "two hundred twenty-nine million, two hundred forty-nine thousand, eight hundred eighty-seven".