234221140 has 12 divisors (see below), whose sum is σ = 491864436. Its totient is φ = 93688448.

The previous prime is 234221123. The next prime is 234221159. The reversal of 234221140 is 41122432.

It can be written as a sum of positive squares in 2 ways, for example, as 147768336 + 86452804 = 12156^2 + 9298^2 .

It is a congruent number.

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, 5855509 + ... + 5855548.

It is an arithmetic number, because the mean of its divisors is an integer number (40988703).

Almost surely, 2^234221140 is an apocalyptic number.

234221140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234221140 is an abundant number, since it is smaller than the sum of its proper divisors (257643296).

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

234221140 is a wasteful number, since it uses less digits than its factorization.

234221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711066 (or 11711064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 234221140 is about 15304.2850208692. The cubic root of 234221140 is about 616.4180729994.

Adding to 234221140 its reverse (41122432), we get a palindrome (275343572).

The spelling of 234221140 in words is "two hundred thirty-four million, two hundred twenty-one thousand, one hundred forty".