224340534 has 144 divisors (see below), whose sum is σ = 580363056. Its totient is φ = 62346240.

The previous prime is 224340527. The next prime is 224340539. The reversal of 224340534 is 435043422.

224340534 is a `hidden beast` number, since 224 + 3 + 405 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 224340498 and 224340507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224340539) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2702857 + ... + 2702939.

It is an arithmetic number, because the mean of its divisors is an integer number (4030299).

Almost surely, 2^224340534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224340534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290181528).

224340534 is an abundant number, since it is smaller than the sum of its proper divisors (356022522).

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

224340534 is a wasteful number, since it uses less digits than its factorization.

224340534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 224340534 is about 14978.0016691146. The cubic root of 224340534 is about 607.6253950368.

Adding to 224340534 its reverse (435043422), we get a palindrome (659383956).

The spelling of 224340534 in words is "two hundred twenty-four million, three hundred forty thousand, five hundred thirty-four".