24214021 has 8 divisors (see below), whose sum is σ = 26781944. Its totient is φ = 21746880.

The previous prime is 24214019. The next prime is 24214033. The reversal of 24214021 is 12041242.

It can be written as a sum of positive squares in 4 ways, for example, as 4730625 + 19483396 = 2175^2 + 4414^2 .

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 24214021 - 2¹ = 24214019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24213986 and 24214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24214061) 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, 24690 + ... + 25651.

It is an arithmetic number, because the mean of its divisors is an integer number (3347743).

Almost surely, 2^24214021 is an apocalyptic number.

It is an amenable number.

24214021 is a deficient number, since it is larger than the sum of its proper divisors (2567923).

24214021 is a wasteful number, since it uses less digits than its factorization.

24214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50391.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 24214021 is about 4920.7744309204. The cubic root of 24214021 is about 289.3047992925.

Adding to 24214021 its reverse (12041242), we get a palindrome (36255263).

The spelling of 24214021 in words is "twenty-four million, two hundred fourteen thousand, twenty-one".