224011421 has 8 divisors (see below), whose sum is σ = 233911104. Its totient is φ = 214125120.

The previous prime is 224011393. The next prime is 224011481. The reversal of 224011421 is 124110422.

224011421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224011421 is a prime.

It is a super-2 number, since 2×224011421² = 100362233476878482, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 224011421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224011481) 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, 47450 + ... + 51956.

It is an arithmetic number, because the mean of its divisors is an integer number (29238888).

Almost surely, 2^224011421 is an apocalyptic number.

It is an amenable number.

224011421 is a deficient number, since it is larger than the sum of its proper divisors (9899683).

224011421 is a wasteful number, since it uses less digits than its factorization.

224011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 224011421 is about 14967.0110910629. The cubic root of 224011421 is about 607.3281158910.

Adding to 224011421 its reverse (124110422), we get a palindrome (348121843).

Subtracting from 224011421 its reverse (124110422), we obtain a palindrome (99900999).

The spelling of 224011421 in words is "two hundred twenty-four million, eleven thousand, four hundred twenty-one".