224420445 has 24 divisors (see below), whose sum is σ = 391337856. Its totient is φ = 118970208.

The previous prime is 224420437. The next prime is 224420447. The reversal of 224420445 is 544024422.

It is not a de Polignac number, because 224420445 - 2³ = 224420437 is a prime.

It is a super-2 number, since 2×224420445² = 100729072267996050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224420447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7417 + ... + 22446.

It is an arithmetic number, because the mean of its divisors is an integer number (16305744).

Almost surely, 2^224420445 is an apocalyptic number.

It is an amenable number.

224420445 is a deficient number, since it is larger than the sum of its proper divisors (166917411).

224420445 is a wasteful number, since it uses less digits than its factorization.

224420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30041 (or 30038 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 224420445 is about 14980.6690438044. The cubic root of 224420445 is about 607.6975326750.

Adding to 224420445 its reverse (544024422), we get a palindrome (768444867).

The spelling of 224420445 in words is "two hundred twenty-four million, four hundred twenty thousand, four hundred forty-five".