225013424 has 10 divisors (see below), whose sum is σ = 435963540. Its totient is φ = 112506704.

The previous prime is 225013423. The next prime is 225013427. The reversal of 225013424 is 424310522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225013424.

It is not an unprimeable number, because it can be changed into a prime (225013423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7031654 + ... + 7031685.

It is an arithmetic number, because the mean of its divisors is an integer number (43596354).

Almost surely, 2^225013424 is an apocalyptic number.

It is an amenable number.

225013424 is a deficient number, since it is larger than the sum of its proper divisors (210950116).

225013424 is a wasteful number, since it uses less digits than its factorization.

225013424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063347 (or 14063341 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 225013424 is about 15000.4474599927. The cubic root of 225013424 is about 608.2322952397.

Adding to 225013424 its reverse (424310522), we get a palindrome (649323946).

The spelling of 225013424 in words is "two hundred twenty-five million, thirteen thousand, four hundred twenty-four".