24221265 has 16 divisors (see below), whose sum is σ = 39486528. Its totient is φ = 12673856.

The previous prime is 24221251. The next prime is 24221287. The reversal of 24221265 is 56212242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 24221265 - 2⁵ = 24221233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14439 + ... + 16028.

It is an arithmetic number, because the mean of its divisors is an integer number (2467908).

Almost surely, 2^24221265 is an apocalyptic number.

It is an amenable number.

24221265 is a deficient number, since it is larger than the sum of its proper divisors (15265263).

24221265 is a wasteful number, since it uses less digits than its factorization.

24221265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528.

The product of its digits is 1920, while the sum is 24.

The square root of 24221265 is about 4921.5104388795. The cubic root of 24221265 is about 289.3336464222. Note that the first 3 decimals are identical.

The spelling of 24221265 in words is "twenty-four million, two hundred twenty-one thousand, two hundred sixty-five".