224511025 has 6 divisors (see below), whose sum is σ = 278393702. Its totient is φ = 179608800.

The previous prime is 224511013. The next prime is 224511031. The reversal of 224511025 is 520115422.

It can be written as a sum of positive squares in 3 ways, for example, as 20736 + 224490289 = 144^2 + 14983^2 .

It is a de Polignac number, because none of the positive numbers 2^k-224511025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224510987 and 224511005.

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, 4490196 + ... + 4490245.

Almost surely, 2^224511025 is an apocalyptic number.

224511025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224511025 is a deficient number, since it is larger than the sum of its proper divisors (53882677).

224511025 is an equidigital number, since it uses as much as digits as its factorization.

224511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980451 (or 8980446 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 224511025 is about 14983.6919682700. The cubic root of 224511025 is about 607.7792807802.

Adding to 224511025 its reverse (520115422), we get a palindrome (744626447).

The spelling of 224511025 in words is "two hundred twenty-four million, five hundred eleven thousand, twenty-five".