224031445 has 16 divisors (see below), whose sum is σ = 293606208. Its totient is φ = 162749440.

The previous prime is 224031407. The next prime is 224031449. The reversal of 224031445 is 544130422.

It is a happy number.

It is not a de Polignac number, because 224031445 - 2¹³ = 224023253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224031449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65262 + ... + 68608.

It is an arithmetic number, because the mean of its divisors is an integer number (18350388).

Almost surely, 2^224031445 is an apocalyptic number.

It is an amenable number.

224031445 is a deficient number, since it is larger than the sum of its proper divisors (69574763).

224031445 is a wasteful number, since it uses less digits than its factorization.

224031445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 224031445 is about 14967.6800139501. The cubic root of 224031445 is about 607.3462113610.

Adding to 224031445 its reverse (544130422), we get a palindrome (768161867).

The spelling of 224031445 in words is "two hundred twenty-four million, thirty-one thousand, four hundred forty-five".