229339939 has 4 divisors (see below), whose sum is σ = 232481656. Its totient is φ = 226198224.

The previous prime is 229339927. The next prime is 229339951. The reversal of 229339939 is 939933922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939933922 = 2 ⋅469966961.

It is an interprime number because it is at equal distance from previous prime (229339927) and next prime (229339951).

It is a cyclic number.

It is not a de Polignac number, because 229339939 - 2¹³ = 229331747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229339892 and 229339901.

It is not an unprimeable number, because it can be changed into a prime (229339919) 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, 1570749 + ... + 1570894.

It is an arithmetic number, because the mean of its divisors is an integer number (58120414).

Almost surely, 2^229339939 is an apocalyptic number.

229339939 is a deficient number, since it is larger than the sum of its proper divisors (3141717).

229339939 is an equidigital number, since it uses as much as digits as its factorization.

229339939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141716.

The product of its digits is 708588, while the sum is 49.

The square root of 229339939 is about 15143.9736859254. The cubic root of 229339939 is about 612.1058980246.

The spelling of 229339939 in words is "two hundred twenty-nine million, three hundred thirty-nine thousand, nine hundred thirty-nine".