224442445 has 8 divisors (see below), whose sum is σ = 271802520. Its totient is φ = 177906240.

The previous prime is 224442433. The next prime is 224442457. The reversal of 224442445 is 544244422.

It is an interprime number because it is at equal distance from previous prime (224442433) and next prime (224442457).

It can be written as a sum of positive squares in 4 ways, for example, as 47073321 + 177369124 = 6861^2 + 13318^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224442445 - 2¹¹ = 224440397 is a prime.

It is a super-2 number, since 2×224442445² = 100748822235156050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 205366 + ... + 206455.

It is an arithmetic number, because the mean of its divisors is an integer number (33975315).

Almost surely, 2^224442445 is an apocalyptic number.

It is an amenable number.

224442445 is a deficient number, since it is larger than the sum of its proper divisors (47360075).

224442445 is a wasteful number, since it uses less digits than its factorization.

224442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411935.

The product of its digits is 40960, while the sum is 31.

The square root of 224442445 is about 14981.4033054317. The cubic root of 224442445 is about 607.7173896134.

Adding to 224442445 its reverse (544244422), we get a palindrome (768686867).

The spelling of 224442445 in words is "two hundred twenty-four million, four hundred forty-two thousand, four hundred forty-five".