238228000 has 48 divisors (see below), whose sum is σ = 585336024. Its totient is φ = 95289600.

The previous prime is 238227973. The next prime is 238228027. The reversal of 238228000 is 822832.

It is an interprime number because it is at equal distance from previous prime (238227973) and next prime (238228027).

It can be written as a sum of positive squares in 4 ways, for example, as 40094224 + 198133776 = 6332^2 + 14076^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 25779 + ... + 33778.

Almost surely, 2^238228000 is an apocalyptic number.

238228000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238228000 is an abundant number, since it is smaller than the sum of its proper divisors (347108024).

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

238228000 is an equidigital number, since it uses as much as digits as its factorization.

238228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59582 (or 59564 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 238228000 is about 15434.6363740776. The cubic root of 238228000 is about 619.9132726417.

The spelling of 238228000 in words is "two hundred thirty-eight million, two hundred twenty-eight thousand".