230312224 has 36 divisors (see below), whose sum is σ = 478571814. Its totient is φ = 109089792.

The previous prime is 230312221. The next prime is 230312227. The reversal of 230312224 is 422213032.

It is an interprime number because it is at equal distance from previous prime (230312221) and next prime (230312227).

It can be written as a sum of positive squares in only one way, i.e., 219632400 + 10679824 = 14820^2 + 3268^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (230312221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584 + ... + 21520.

Almost surely, 2^230312224 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 230312224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239285907).

230312224 is an abundant number, since it is smaller than the sum of its proper divisors (248259590).

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

230312224 is a wasteful number, since it uses less digits than its factorization.

230312224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985 (or 19958 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230312224 is about 15176.0411174983. The cubic root of 230312224 is about 612.9696846644.

Adding to 230312224 its reverse (422213032), we get a palindrome (652525256).

The spelling of 230312224 in words is "two hundred thirty million, three hundred twelve thousand, two hundred twenty-four".