24228740 has 24 divisors (see below), whose sum is σ = 53874072. Its totient is φ = 9121280.

The previous prime is 24228733. The next prime is 24228749. The reversal of 24228740 is 4782242.

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 19571776 = 2158^2 + 4424^2 .

It is not an unprimeable number, because it can be changed into a prime (24228749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35291 + ... + 35970.

It is an arithmetic number, because the mean of its divisors is an integer number (2244753).

Almost surely, 2^24228740 is an apocalyptic number.

24228740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24228740 is an abundant number, since it is smaller than the sum of its proper divisors (29645332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24228740 is a wasteful number, since it uses less digits than its factorization.

24228740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71287 (or 71285 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 24228740 is about 4922.2698016261. The cubic root of 24228740 is about 289.3634074133.

It can be divided in two parts, 242 and 28740, that added together give a palindrome (28982).

The spelling of 24228740 in words is "twenty-four million, two hundred twenty-eight thousand, seven hundred forty".