238224852 has 18 divisors (see below), whose sum is σ = 602179578. Its totient is φ = 79408272.

The previous prime is 238224829. The next prime is 238224881. The reversal of 238224852 is 258422832.

It can be written as a sum of positive squares in only one way, i.e., 165019716 + 73205136 = 12846^2 + 8556^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×238224852² = 113502160220843808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6617357 = 238224852 / (2 + 3 + 8 + 2 + 2 + 4 + 8 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3308643 + ... + 3308714.

It is an arithmetic number, because the mean of its divisors is an integer number (33454421).

Almost surely, 2^238224852 is an apocalyptic number.

It is an amenable number.

238224852 is an abundant number, since it is smaller than the sum of its proper divisors (363954726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238224852 is a wasteful number, since it uses less digits than its factorization.

238224852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617367 (or 6617362 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 238224852 is about 15434.5343953098. The cubic root of 238224852 is about 619.9105420705.

The spelling of 238224852 in words is "two hundred thirty-eight million, two hundred twenty-four thousand, eight hundred fifty-two".