224894881 has 4 divisors (see below), whose sum is σ = 230380164. Its totient is φ = 219409600.

The previous prime is 224894869. The next prime is 224894893. The reversal of 224894881 is 188498422.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (224894869) and next prime (224894893).

It can be written as a sum of positive squares in 2 ways, for example, as 39690000 + 185204881 = 6300^2 + 13609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224894881 is a prime.

It is a super-2 number, since 2×224894881² = 101155415000008322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224894981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742580 + ... + 2742661.

It is an arithmetic number, because the mean of its divisors is an integer number (57595041).

Almost surely, 2^224894881 is an apocalyptic number.

It is an amenable number.

224894881 is a deficient number, since it is larger than the sum of its proper divisors (5485283).

224894881 is an equidigital number, since it uses as much as digits as its factorization.

224894881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485282.

The product of its digits is 294912, while the sum is 46.

The square root of 224894881 is about 14996.4956239783. The cubic root of 224894881 is about 608.1254655447.

The spelling of 224894881 in words is "two hundred twenty-four million, eight hundred ninety-four thousand, eight hundred eighty-one".