234225540 has 192 divisors, whose sum is σ = 789062400. Its totient is φ = 57480192.

The previous prime is 234225533. The next prime is 234225569. The reversal of 234225540 is 45522432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 379312 + ... + 379928.

It is an arithmetic number, because the mean of its divisors is an integer number (4109700).

Almost surely, 2^234225540 is an apocalyptic number.

234225540 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 234225540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394531200).

234225540 is an abundant number, since it is smaller than the sum of its proper divisors (554836860).

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

234225540 is a wasteful number, since it uses less digits than its factorization.

234225540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 234225540 is about 15304.4287707840. The cubic root of 234225540 is about 616.4219329165.

Adding to 234225540 its reverse (45522432), we get a palindrome (279747972).

The spelling of 234225540 in words is "two hundred thirty-four million, two hundred twenty-five thousand, five hundred forty".