224431545 has 32 divisors (see below), whose sum is σ = 390297600. Its totient is φ = 109465344.

The previous prime is 224431531. The next prime is 224431547. The reversal of 224431545 is 545134422.

224431545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224431545 - 2⁶ = 224431481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224431547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15976 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (12196800).

Almost surely, 2^224431545 is an apocalyptic number.

It is an amenable number.

224431545 is a deficient number, since it is larger than the sum of its proper divisors (165866055).

224431545 is a wasteful number, since it uses less digits than its factorization.

224431545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689.

The product of its digits is 19200, while the sum is 30.

The square root of 224431545 is about 14981.0395166691. The cubic root of 224431545 is about 607.7075515652.

Adding to 224431545 its reverse (545134422), we get a palindrome (769565967).

The spelling of 224431545 in words is "two hundred twenty-four million, four hundred thirty-one thousand, five hundred forty-five".