224024421 has 16 divisors (see below), whose sum is σ = 317211840. Its totient is φ = 140232960.

The previous prime is 224024413. The next prime is 224024443. The reversal of 224024421 is 124420422.

It is not a de Polignac number, because 224024421 - 2³ = 224024413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224024401) 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, 10950 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (19825740).

Almost surely, 2^224024421 is an apocalyptic number.

It is an amenable number.

224024421 is a deficient number, since it is larger than the sum of its proper divisors (93187419).

224024421 is a wasteful number, since it uses less digits than its factorization.

224024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34916.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 224024421 is about 14967.4453732092. The cubic root of 224024421 is about 607.3398639717.

Adding to 224024421 its reverse (124420422), we get a palindrome (348444843).

The spelling of 224024421 in words is "two hundred twenty-four million, twenty-four thousand, four hundred twenty-one".