24056221 has 16 divisors (see below), whose sum is σ = 28336000. Its totient is φ = 19994688.

The previous prime is 24056203. The next prime is 24056233. The reversal of 24056221 is 12265042.

It is not a de Polignac number, because 24056221 - 2⁵ = 24056189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24056192 and 24056201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24056251) 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, 68755 + ... + 69103.

It is an arithmetic number, because the mean of its divisors is an integer number (1771000).

Almost surely, 2^24056221 is an apocalyptic number.

It is an amenable number.

24056221 is a deficient number, since it is larger than the sum of its proper divisors (4279779).

24056221 is a wasteful number, since it uses less digits than its factorization.

24056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 24056221 is about 4904.7141608864. The cubic root of 24056221 is about 288.6749737298.

The spelling of 24056221 in words is "twenty-four million, fifty-six thousand, two hundred twenty-one".