24228281 has 32 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 17475840.

The previous prime is 24228263. The next prime is 24228283. The reversal of 24228281 is 18282242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24228281 is a prime.

It is a super-2 number, since 2×24228281² = 1174019200429922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24228283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108536 + ... + 108758.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 2^24228281 is an apocalyptic number.

It is an amenable number.

24228281 is a deficient number, since it is larger than the sum of its proper divisors (8285767).

24228281 is a wasteful number, since it uses less digits than its factorization.

24228281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 4096, while the sum is 29.

The square root of 24228281 is about 4922.2231765738. The cubic root of 24228281 is about 289.3615801255.

The spelling of 24228281 in words is "twenty-four million, two hundred twenty-eight thousand, two hundred eighty-one".