224020535 has 4 divisors (see below), whose sum is σ = 268824648. Its totient is φ = 179216424.

The previous prime is 224020519. The next prime is 224020541. The reversal of 224020535 is 535020422.

224020535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224020535 - 2⁴ = 224020519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224020535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22402049 + ... + 22402058.

It is an arithmetic number, because the mean of its divisors is an integer number (67206162).

Almost surely, 2^224020535 is an apocalyptic number.

224020535 is a deficient number, since it is larger than the sum of its proper divisors (44804113).

224020535 is an equidigital number, since it uses as much as digits as its factorization.

224020535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44804112.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 224020535 is about 14967.3155575741. The cubic root of 224020535 is about 607.3363522469.

Adding to 224020535 its reverse (535020422), we get a palindrome (759040957).

The spelling of 224020535 in words is "two hundred twenty-four million, twenty thousand, five hundred thirty-five".