24229540 has 12 divisors (see below), whose sum is σ = 50882076. Its totient is φ = 9691808.

The previous prime is 24229523. The next prime is 24229547. The reversal of 24229540 is 4592242.

It can be written as a sum of positive squares in 2 ways, for example, as 17089956 + 7139584 = 4134^2 + 2672^2 .

It is a super-2 number, since 2×24229540² = 1174141217223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24229499 and 24229508.

It is not an unprimeable number, because it can be changed into a prime (24229547) 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 3 ways as a sum of consecutive naturals, for example, 605719 + ... + 605758.

It is an arithmetic number, because the mean of its divisors is an integer number (4240173).

Almost surely, 2^24229540 is an apocalyptic number.

24229540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24229540 is an abundant number, since it is smaller than the sum of its proper divisors (26652536).

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

24229540 is a wasteful number, since it uses less digits than its factorization.

24229540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211486 (or 1211484 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 24229540 is about 4922.3510642781. The cubic root of 24229540 is about 289.3665921735.

The spelling of 24229540 in words is "twenty-four million, two hundred twenty-nine thousand, five hundred forty".