238221056 has 18 divisors (see below), whose sum is σ = 475512072. Its totient is φ = 119110400.

The previous prime is 238221047. The next prime is 238221083. The reversal of 238221056 is 650122832.

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 as a sum of consecutive naturals, namely, 465020 + ... + 465531.

Almost surely, 2^238221056 is an apocalyptic number.

It is an amenable number.

238221056 is a deficient number, since it is larger than the sum of its proper divisors (237291016).

238221056 is an frugal number, since it uses more digits than its factorization.

238221056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930567 (or 930553 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 238221056 is about 15434.4114238283. The cubic root of 238221056 is about 619.9072493928.

Adding to 238221056 its reverse (650122832), we get a palindrome (888343888).

The spelling of 238221056 in words is "two hundred thirty-eight million, two hundred twenty-one thousand, fifty-six".