224223025 has 12 divisors (see below), whose sum is σ = 299424412. Its totient is φ = 165579840.

The previous prime is 224223011. The next prime is 224223037. The reversal of 224223025 is 520322422.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2093809 + 222129216 = 1447^2 + 14904^2 .

It is not a de Polignac number, because 224223025 - 2⁷ = 224222897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224222987 and 224223005.

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 11 ways as a sum of consecutive naturals, for example, 344634 + ... + 345283.

Almost surely, 2^224223025 is an apocalyptic number.

224223025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224223025 is a deficient number, since it is larger than the sum of its proper divisors (75201387).

224223025 is a wasteful number, since it uses less digits than its factorization.

224223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689940 (or 689935 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 224223025 is about 14974.0784357502. The cubic root of 224223025 is about 607.5192856303.

Adding to 224223025 its reverse (520322422), we get a palindrome (744545447).

The spelling of 224223025 in words is "two hundred twenty-four million, two hundred twenty-three thousand, twenty-five".