24221201 has 8 divisors (see below), whose sum is σ = 24899784. Its totient is φ = 23546880.

The previous prime is 24221173. The next prime is 24221203. The reversal of 24221201 is 10212242.

It can be written as a sum of positive squares in 4 ways, for example, as 2356225 + 21864976 = 1535^2 + 4676^2 .

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-24221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12941 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (3112473).

Almost surely, 2^24221201 is an apocalyptic number.

It is an amenable number.

24221201 is a deficient number, since it is larger than the sum of its proper divisors (678583).

24221201 is a wasteful number, since it uses less digits than its factorization.

24221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 24221201 is about 4921.5039368063. The cubic root of 24221201 is about 289.3333915859. Note that the first 4 decimals are identical.

Adding to 24221201 its reverse (10212242), we get a palindrome (34433443).

The spelling of 24221201 in words is "twenty-four million, two hundred twenty-one thousand, two hundred one".