224169856 has 16 divisors (see below), whose sum is σ = 446588640. Its totient is φ = 112084864.

The previous prime is 224169853. The next prime is 224169877. The reversal of 224169856 is 658961422.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224169853) by changing a digit.

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 as a sum of consecutive naturals, namely, 875536 + ... + 875791.

It is an arithmetic number, because the mean of its divisors is an integer number (27911790).

Almost surely, 2^224169856 is an apocalyptic number.

It is an amenable number.

224169856 is a deficient number, since it is larger than the sum of its proper divisors (222418784).

224169856 is an equidigital number, since it uses as much as digits as its factorization.

224169856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751341 (or 1751329 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 224169856 is about 14972.3029624704. The cubic root of 224169856 is about 607.4712623933.

The spelling of 224169856 in words is "two hundred twenty-four million, one hundred sixty-nine thousand, eight hundred fifty-six".