224425525 has 6 divisors (see below), whose sum is σ = 278287682. Its totient is φ = 179540400.

The previous prime is 224425493. The next prime is 224425543. The reversal of 224425525 is 525524422.

224425525 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 29571844 + 194853681 = 5438^2 + 13959^2 .

It is not a de Polignac number, because 224425525 - 2⁵ = 224425493 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4488486 + ... + 4488535.

Almost surely, 2^224425525 is an apocalyptic number.

224425525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224425525 is a deficient number, since it is larger than the sum of its proper divisors (53862157).

224425525 is an equidigital number, since it uses as much as digits as its factorization.

224425525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977031 (or 8977026 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 224425525 is about 14980.8385946849. The cubic root of 224425525 is about 607.7021179378.

Adding to 224425525 its reverse (525524422), we get a palindrome (749949947).

The spelling of 224425525 in words is "two hundred twenty-four million, four hundred twenty-five thousand, five hundred twenty-five".