224542505 has 16 divisors (see below), whose sum is σ = 304084800. Its totient is φ = 157671360.

The previous prime is 224542489. The next prime is 224542531. The reversal of 224542505 is 505245422.

It is not a de Polignac number, because 224542505 - 2⁴ = 224542489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68795 + ... + 71984.

It is an arithmetic number, because the mean of its divisors is an integer number (19005300).

Almost surely, 2^224542505 is an apocalyptic number.

It is an amenable number.

224542505 is a deficient number, since it is larger than the sum of its proper divisors (79542295).

224542505 is a wasteful number, since it uses less digits than its factorization.

224542505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140824.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 224542505 is about 14984.7424068617. The cubic root of 224542505 is about 607.8076862116.

Adding to 224542505 its reverse (505245422), we get a palindrome (729787927).

The spelling of 224542505 in words is "two hundred twenty-four million, five hundred forty-two thousand, five hundred five".