224226025 has 6 divisors (see below), whose sum is σ = 278040302. Its totient is φ = 179380800.

The previous prime is 224226017. The next prime is 224226047. The reversal of 224226025 is 520622422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 753424 + 223472601 = 868^2 + 14949^2 .

It is not a de Polignac number, because 224226025 - 2³ = 224226017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 8969041 = 224226025 / (2 + 2 + 4 + 2 + 2 + 6 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4484496 + ... + 4484545.

Almost surely, 2^224226025 is an apocalyptic number.

224226025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224226025 is a deficient number, since it is larger than the sum of its proper divisors (53814277).

224226025 is an equidigital number, since it uses as much as digits as its factorization.

224226025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969051 (or 8969046 counting only the distinct ones).

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

The square root of 224226025 is about 14974.1786085247. The cubic root of 224226025 is about 607.5219950602.

Adding to 224226025 its reverse (520622422), we get a palindrome (744848447).

The spelling of 224226025 in words is "two hundred twenty-four million, two hundred twenty-six thousand, twenty-five".