238389225 has 24 divisors (see below), whose sum is σ = 406854912. Its totient is φ = 123038400.

The previous prime is 238389209. The next prime is 238389241. The reversal of 238389225 is 522983832.

It is an interprime number because it is at equal distance from previous prime (238389209) and next prime (238389241).

It is not a de Polignac number, because 238389225 - 2⁴ = 238389209 is a prime.

It is a super-2 number, since 2×238389225² = 113658845192201250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48942 + ... + 53591.

It is an arithmetic number, because the mean of its divisors is an integer number (16952288).

Almost surely, 2^238389225 is an apocalyptic number.

238389225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238389225 is a deficient number, since it is larger than the sum of its proper divisors (168465687).

238389225 is a wasteful number, since it uses less digits than its factorization.

238389225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102577 (or 102572 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 238389225 is about 15439.8583218888. The cubic root of 238389225 is about 620.0530868522.

The spelling of 238389225 in words is "two hundred thirty-eight million, three hundred eighty-nine thousand, two hundred twenty-five".