224005425 has 48 divisors (see below), whose sum is σ = 437888640. Its totient is φ = 98864640.

The previous prime is 224005409. The next prime is 224005471. The reversal of 224005425 is 524500422.

It is a happy number.

It is not a de Polignac number, because 224005425 - 2⁴ = 224005409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224005395 and 224005404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7869 + ... + 22581.

It is an arithmetic number, because the mean of its divisors is an integer number (9122680).

Almost surely, 2^224005425 is an apocalyptic number.

224005425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224005425 is a deficient number, since it is larger than the sum of its proper divisors (213883215).

224005425 is a wasteful number, since it uses less digits than its factorization.

224005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762 (or 14757 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 224005425 is about 14966.8107825281. The cubic root of 224005425 is about 607.3226971615.

Adding to 224005425 its reverse (524500422), we get a palindrome (748505847).

The spelling of 224005425 in words is "two hundred twenty-four million, five thousand, four hundred twenty-five".