24021225 has 48 divisors (see below), whose sum is σ = 46475200. Its totient is φ = 12130560.

The previous prime is 24021199. The next prime is 24021229. The reversal of 24021225 is 52212042.

It is not a de Polignac number, because 24021225 - 2⁷ = 24021097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24021198 and 24021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11889 + ... + 13761.

Almost surely, 2^24021225 is an apocalyptic number.

24021225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24021225 is a deficient number, since it is larger than the sum of its proper divisors (22453975).

24021225 is a wasteful number, since it uses less digits than its factorization.

24021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 24021225 is about 4901.1452743211. The cubic root of 24021225 is about 288.5349216378.

Adding to 24021225 its reverse (52212042), we get a palindrome (76233267).

The spelling of 24021225 in words is "twenty-four million, twenty-one thousand, two hundred twenty-five".