224155121 has 8 divisors (see below), whose sum is σ = 227726400. Its totient is φ = 220611600.

The previous prime is 224155111. The next prime is 224155177. The reversal of 224155121 is 121551422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224155121 - 2¹⁰ = 224154097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224155111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9650 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (28465800).

Almost surely, 2^224155121 is an apocalyptic number.

It is an amenable number.

224155121 is a deficient number, since it is larger than the sum of its proper divisors (3571279).

224155121 is a wasteful number, since it uses less digits than its factorization.

224155121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879.

The product of its digits is 800, while the sum is 23.

The square root of 224155121 is about 14971.8108791155. The cubic root of 224155121 is about 607.4579521214.

The spelling of 224155121 in words is "two hundred twenty-four million, one hundred fifty-five thousand, one hundred twenty-one".