224440025 has 12 divisors (see below), whose sum is σ = 279221712. Its totient is φ = 178961040.

The previous prime is 224440009. The next prime is 224440123. The reversal of 224440025 is 520044422.

It is not a de Polignac number, because 224440025 - 2⁴ = 224440009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6947 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (23268476).

Almost surely, 2^224440025 is an apocalyptic number.

224440025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224440025 is a deficient number, since it is larger than the sum of its proper divisors (54781687).

224440025 is a wasteful number, since it uses less digits than its factorization.

224440025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29560 (or 29555 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 224440025 is about 14981.3225384143. The cubic root of 224440025 is about 607.7152054137.

Adding to 224440025 its reverse (520044422), we get a palindrome (744484447).

The spelling of 224440025 in words is "two hundred twenty-four million, four hundred forty thousand, twenty-five".