238222900 has 36 divisors (see below), whose sum is σ = 519584800. Its totient is φ = 94802400.

The previous prime is 238222877. The next prime is 238222927. The reversal of 238222900 is 9222832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13915 + ... + 25885.

Almost surely, 2^238222900 is an apocalyptic number.

238222900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238222900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259792400).

238222900 is an abundant number, since it is smaller than the sum of its proper divisors (281361900).

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

238222900 is a wasteful number, since it uses less digits than its factorization.

238222900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12177 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 238222900 is about 15434.4711603605. The cubic root of 238222900 is about 619.9088488960.

The spelling of 238222900 in words is "two hundred thirty-eight million, two hundred twenty-two thousand, nine hundred".