238342220 has 12 divisors (see below), whose sum is σ = 500518704. Its totient is φ = 95336880.

The previous prime is 238342187. The next prime is 238342231. The reversal of 238342220 is 22243832.

It is a self number, because there is not a number n which added to its sum of digits gives 238342220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5958536 + ... + 5958575.

It is an arithmetic number, because the mean of its divisors is an integer number (41709892).

Almost surely, 2^238342220 is an apocalyptic number.

238342220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238342220 is an abundant number, since it is smaller than the sum of its proper divisors (262176484).

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

238342220 is a wasteful number, since it uses less digits than its factorization.

238342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917120 (or 11917118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 238342220 is about 15438.3360502355. The cubic root of 238342220 is about 620.0123306601.

The spelling of 238342220 in words is "two hundred thirty-eight million, three hundred forty-two thousand, two hundred twenty".