224609281 has 12 divisors (see below), whose sum is σ = 246654720. Its totient is φ = 204400560.

The previous prime is 224609261. The next prime is 224609293. The reversal of 224609281 is 182906422.

It is not a de Polignac number, because 224609281 - 2⁵ = 224609249 is a prime.

It is a super-2 number, since 2×224609281² = 100898658222673922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224609251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2640 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (20554560).

Almost surely, 2^224609281 is an apocalyptic number.

It is an amenable number.

224609281 is a deficient number, since it is larger than the sum of its proper divisors (22045439).

224609281 is a wasteful number, since it uses less digits than its factorization.

224609281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816 (or 18803 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 224609281 is about 14986.9703742951. The cubic root of 224609281 is about 607.8679315883.

The spelling of 224609281 in words is "two hundred twenty-four million, six hundred nine thousand, two hundred eighty-one".