238766225 has 12 divisors (see below), whose sum is σ = 300491184. Its totient is φ = 188160720.

The previous prime is 238766221. The next prime is 238766249. The reversal of 238766225 is 522667832.

It is not a de Polignac number, because 238766225 - 2² = 238766221 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238766221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69599 + ... + 72948.

It is an arithmetic number, because the mean of its divisors is an integer number (25040932).

Almost surely, 2^238766225 is an apocalyptic number.

238766225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238766225 is a deficient number, since it is larger than the sum of its proper divisors (61724959).

238766225 is a wasteful number, since it uses less digits than its factorization.

238766225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142624 (or 142619 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 238766225 is about 15452.0621601131. The cubic root of 238766225 is about 620.3797751292.

The spelling of 238766225 in words is "two hundred thirty-eight million, seven hundred sixty-six thousand, two hundred twenty-five".