229938149 has 4 divisors (see below), whose sum is σ = 262786464. Its totient is φ = 197089836.

The previous prime is 229938113. The next prime is 229938151. The reversal of 229938149 is 941839922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229938149 - 2¹² = 229934053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229938649) 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, 16424147 + ... + 16424160.

It is an arithmetic number, because the mean of its divisors is an integer number (65696616).

Almost surely, 2^229938149 is an apocalyptic number.

It is an amenable number.

229938149 is a deficient number, since it is larger than the sum of its proper divisors (32848315).

229938149 is an equidigital number, since it uses as much as digits as its factorization.

229938149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32848314.

The product of its digits is 279936, while the sum is 47.

The square root of 229938149 is about 15163.7115839098. The cubic root of 229938149 is about 612.6376413700.

The spelling of 229938149 in words is "two hundred twenty-nine million, nine hundred thirty-eight thousand, one hundred forty-nine".