229242879 has 20 divisors (see below), whose sum is σ = 342991440. Its totient is φ = 152586720.

The previous prime is 229242857. The next prime is 229242901. The reversal of 229242879 is 978242922.

It is an interprime number because it is at equal distance from previous prime (229242857) and next prime (229242901).

It is not a de Polignac number, because 229242879 - 2¹² = 229238783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229242379) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59782 + ... + 63500.

It is an arithmetic number, because the mean of its divisors is an integer number (17149572).

Almost surely, 2^229242879 is an apocalyptic number.

229242879 is a deficient number, since it is larger than the sum of its proper divisors (113748561).

229242879 is an equidigital number, since it uses as much as digits as its factorization.

229242879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4483 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 229242879 is about 15140.7687717632. The cubic root of 229242879 is about 612.0195351319.

The spelling of 229242879 in words is "two hundred twenty-nine million, two hundred forty-two thousand, eight hundred seventy-nine".