224020025 has 6 divisors (see below), whose sum is σ = 277784862. Its totient is φ = 179216000.

The previous prime is 224020007. The next prime is 224020037. The reversal of 224020025 is 520020422.

224020025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1771561 + 222248464 = 1331^2 + 14908^2 .

It is not a de Polignac number, because 224020025 - 2⁸ = 224019769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224019985 and 224020012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4480376 + ... + 4480425.

It is an arithmetic number, because the mean of its divisors is an integer number (46297477).

Almost surely, 2^224020025 is an apocalyptic number.

224020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224020025 is a deficient number, since it is larger than the sum of its proper divisors (53764837).

224020025 is an equidigital number, since it uses as much as digits as its factorization.

224020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960811 (or 8960806 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 224020025 is about 14967.2985204412. The cubic root of 224020025 is about 607.3358913639.

Adding to 224020025 its reverse (520020422), we get a palindrome (744040447).

The spelling of 224020025 in words is "two hundred twenty-four million, twenty thousand, twenty-five".