224142534 has 96 divisors (see below), whose sum is σ = 615962880. Its totient is φ = 57211200.

The previous prime is 224142517. The next prime is 224142571. The reversal of 224142534 is 435241422.

It is a junction number, because it is equal to n+sod(n) for n = 224142498 and 224142507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80404 + ... + 83144.

It is an arithmetic number, because the mean of its divisors is an integer number (6416280).

Almost surely, 2^224142534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224142534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307981440).

224142534 is an abundant number, since it is smaller than the sum of its proper divisors (391820346).

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

224142534 is a wasteful number, since it uses less digits than its factorization.

224142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2823 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 224142534 is about 14971.3905165820. The cubic root of 224142534 is about 607.4465816973.

Adding to 224142534 its reverse (435241422), we get a palindrome (659383956).

It can be divided in two parts, 224142 and 534, that added together give a square (224676 = 474²).

The spelling of 224142534 in words is "two hundred twenty-four million, one hundred forty-two thousand, five hundred thirty-four".