238914522 has 160 divisors (see below), whose sum is σ = 677445120. Its totient is φ = 61132320.

The previous prime is 238914521. The next prime is 238914523. The reversal of 238914522 is 225419832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238914521) and next prime (238914523).

It is not an unprimeable number, because it can be changed into a prime (238914521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1334629 + ... + 1334807.

It is an arithmetic number, because the mean of its divisors is an integer number (4234032).

Almost surely, 2^238914522 is an apocalyptic number.

238914522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 238914522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338722560).

238914522 is an abundant number, since it is smaller than the sum of its proper divisors (438530598).

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

238914522 is a wasteful number, since it uses less digits than its factorization.

238914522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 309 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 238914522 is about 15456.8600304201. The cubic root of 238914522 is about 620.5081872319.

The spelling of 238914522 in words is "two hundred thirty-eight million, nine hundred fourteen thousand, five hundred twenty-two".