224581121 has 16 divisors (see below), whose sum is σ = 241171200. Its totient is φ = 208510848.

The previous prime is 224581117. The next prime is 224581127. The reversal of 224581121 is 121185422.

It is a cyclic number.

It is not a de Polignac number, because 224581121 - 2² = 224581117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224581127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235181 + ... + 236133.

It is an arithmetic number, because the mean of its divisors is an integer number (15073200).

Almost surely, 2^224581121 is an apocalyptic number.

It is an amenable number.

224581121 is a deficient number, since it is larger than the sum of its proper divisors (16590079).

224581121 is a wasteful number, since it uses less digits than its factorization.

224581121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its digits is 1280, while the sum is 26.

The square root of 224581121 is about 14986.0308621062. The cubic root of 224581121 is about 607.8425270632.

The spelling of 224581121 in words is "two hundred twenty-four million, five hundred eighty-one thousand, one hundred twenty-one".