224155856 has 20 divisors (see below), whose sum is σ = 444896004. Its totient is φ = 109344000.

The previous prime is 224155853. The next prime is 224155871. The reversal of 224155856 is 658551422.

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 182682256 = 6440^2 + 13516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224155853) 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 in 3 ways as a sum of consecutive naturals, for example, 170195 + ... + 171506.

Almost surely, 2^224155856 is an apocalyptic number.

It is an amenable number.

224155856 is a deficient number, since it is larger than the sum of its proper divisors (220740148).

224155856 is a wasteful number, since it uses less digits than its factorization.

224155856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341750 (or 341744 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 224155856 is about 14971.8354252243. The cubic root of 224155856 is about 607.4586160681.

The spelling of 224155856 in words is "two hundred twenty-four million, one hundred fifty-five thousand, eight hundred fifty-six".