224216545 has 16 divisors (see below), whose sum is σ = 318101760. Its totient is φ = 148446144.

The previous prime is 224216533. The next prime is 224216593. The reversal of 224216545 is 545612422.

It is not a de Polignac number, because 224216545 - 2⁵ = 224216513 is a prime.

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, 109437 + ... + 111466.

It is an arithmetic number, because the mean of its divisors is an integer number (19881360).

Almost surely, 2^224216545 is an apocalyptic number.

It is an amenable number.

224216545 is a deficient number, since it is larger than the sum of its proper divisors (93885215).

224216545 is a wasteful number, since it uses less digits than its factorization.

224216545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220944.

The product of its digits is 19200, while the sum is 31.

The square root of 224216545 is about 14973.8620602702. The cubic root of 224216545 is about 607.5134331791.

Adding to 224216545 its reverse (545612422), we get a palindrome (769828967).

The spelling of 224216545 in words is "two hundred twenty-four million, two hundred sixteen thousand, five hundred forty-five".