24228313 has 4 divisors (see below), whose sum is σ = 24405300. Its totient is φ = 24051328.

The previous prime is 24228293. The next prime is 24228317. The reversal of 24228313 is 31382242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31382242 = 2 ⋅15691121.

It can be written as a sum of positive squares in 2 ways, for example, as 18429849 + 5798464 = 4293^2 + 2408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24228313 is a prime.

It is a super-2 number, since 2×24228313² = 1174022301651938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24228317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88288 + ... + 88561.

It is an arithmetic number, because the mean of its divisors is an integer number (6101325).

Almost surely, 2^24228313 is an apocalyptic number.

It is an amenable number.

24228313 is a deficient number, since it is larger than the sum of its proper divisors (176987).

24228313 is a wasteful number, since it uses less digits than its factorization.

24228313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176986.

The product of its digits is 2304, while the sum is 25.

The square root of 24228313 is about 4922.2264271364. The cubic root of 24228313 is about 289.3617075189.

The spelling of 24228313 in words is "twenty-four million, two hundred twenty-eight thousand, three hundred thirteen".