234220144 has 40 divisors (see below), whose sum is σ = 486732240. Its totient is φ = 108845568.

The previous prime is 234220127. The next prime is 234220157. The reversal of 234220144 is 441022432.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8844 + ... + 23380.

It is an arithmetic number, because the mean of its divisors is an integer number (12168306).

Almost surely, 2^234220144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234220144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243366120).

234220144 is an abundant number, since it is smaller than the sum of its proper divisors (252512096).

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

234220144 is a wasteful number, since it uses less digits than its factorization.

234220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14617 (or 14611 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 234220144 is about 15304.2524809283. The cubic root of 234220144 is about 616.4171992478.

Adding to 234220144 its reverse (441022432), we get a palindrome (675242576).

The spelling of 234220144 in words is "two hundred thirty-four million, two hundred twenty thousand, one hundred forty-four".