224354221 has 8 divisors (see below), whose sum is σ = 276128384. Its totient is φ = 177510960.

The previous prime is 224354203. The next prime is 224354231. The reversal of 224354221 is 122453422.

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 224354221 - 2⁵ = 224354189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224354231) 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, 1232625 + ... + 1232806.

It is an arithmetic number, because the mean of its divisors is an integer number (34516048).

Almost surely, 2^224354221 is an apocalyptic number.

It is an amenable number.

224354221 is a deficient number, since it is larger than the sum of its proper divisors (51774163).

224354221 is a wasteful number, since it uses less digits than its factorization.

224354221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465451.

The product of its digits is 3840, while the sum is 25.

The square root of 224354221 is about 14978.4585655534. The cubic root of 224354221 is about 607.6377518462.

The spelling of 224354221 in words is "two hundred twenty-four million, three hundred fifty-four thousand, two hundred twenty-one".