238012258225 has 81 divisors (see below), whose sum is σ = 351256061793. Its totient is φ = 159520146240.

The previous prime is 238012258223. The next prime is 238012258229. The reversal of 238012258225 is 522852210832.

It is a happy number.

The square root of 238012258225 is 487865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1792929649 + 236219328576 = 42343^2 + 486024^2 .

It is not a de Polignac number, because 238012258225 - 2¹ = 238012258223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238012258223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 904989444 + ... + 904989706.

Almost surely, 2^238012258225 is an apocalyptic number.

238012258225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238012258225 is the 487865-th square number.

238012258225 is the 243933-rd centered octagonal number.

It is an amenable number.

238012258225 is a deficient number, since it is larger than the sum of its proper divisors (113243803568).

238012258225 is an frugal number, since it uses more digits than its factorization.

238012258225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 238012258225 in words is "two hundred thirty-eight billion, twelve million, two hundred fifty-eight thousand, two hundred twenty-five".