238622136 has 32 divisors (see below), whose sum is σ = 610431360. Its totient is φ = 77690592.

The previous prime is 238622113. The next prime is 238622147. The reversal of 238622136 is 631226832.

It is a happy number.

238622136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 238622097 and 238622106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114580 + ... + 116643.

It is an arithmetic number, because the mean of its divisors is an integer number (19075980).

Almost surely, 2^238622136 is an apocalyptic number.

It is an amenable number.

238622136 is an abundant number, since it is smaller than the sum of its proper divisors (371809224).

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

238622136 is a wasteful number, since it uses less digits than its factorization.

238622136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231275 (or 231271 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 238622136 is about 15447.3990043632. The cubic root of 238622136 is about 620.2549558436.

Adding to 238622136 its reverse (631226832), we get a palindrome (869848968).

The spelling of 238622136 in words is "two hundred thirty-eight million, six hundred twenty-two thousand, one hundred thirty-six".