239226229 has 4 divisors (see below), whose sum is σ = 260974080. Its totient is φ = 217478380.

The previous prime is 239226209. The next prime is 239226233. The reversal of 239226229 is 922622932.

239226229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-239226229 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 (239226209) 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, 10873909 + ... + 10873930.

It is an arithmetic number, because the mean of its divisors is an integer number (65243520).

Almost surely, 2^239226229 is an apocalyptic number.

It is an amenable number.

239226229 is a deficient number, since it is larger than the sum of its proper divisors (21747851).

239226229 is a wasteful number, since it uses less digits than its factorization.

239226229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21747850.

The product of its digits is 46656, while the sum is 37.

The square root of 239226229 is about 15466.9398718686. The cubic root of 239226229 is about 620.7779248340. Note that the first 3 decimals are identical.

The spelling of 239226229 in words is "two hundred thirty-nine million, two hundred twenty-six thousand, two hundred twenty-nine".