238226047 has 8 divisors (see below), whose sum is σ = 251164800. Its totient is φ = 225327384.

The previous prime is 238226029. The next prime is 238226059. The reversal of 238226047 is 740622832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-238226047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238226077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 21982.

It is an arithmetic number, because the mean of its divisors is an integer number (31395600).

Almost surely, 2^238226047 is an apocalyptic number.

238226047 is a deficient number, since it is larger than the sum of its proper divisors (12938753).

238226047 is a wasteful number, since it uses less digits than its factorization.

238226047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20045.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 238226047 is about 15434.5731071514. The cubic root of 238226047 is about 619.9115786148.

Adding to 238226047 its reverse (740622832), we get a palindrome (978848879).

The spelling of 238226047 in words is "two hundred thirty-eight million, two hundred twenty-six thousand, forty-seven".