25224002124 has 48 divisors (see below), whose sum is σ = 60315083136. Its totient is φ = 8199721600.

The previous prime is 25224002071. The next prime is 25224002129. The reversal of 25224002124 is 42120042252.

It is a super-2 number, since 2×25224002124² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25224002094 and 25224002103.

It is not an unprimeable number, because it can be changed into a prime (25224002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472899 + ... + 1489925.

It is an arithmetic number, because the mean of its divisors is an integer number (1256564232).

Almost surely, 2^25224002124 is an apocalyptic number.

It is an amenable number.

25224002124 is an abundant number, since it is smaller than the sum of its proper divisors (35091081012).

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

25224002124 is a wasteful number, since it uses less digits than its factorization.

25224002124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086 (or 20084 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 25224002124 its reverse (42120042252), we get a palindrome (67344044376).

The spelling of 25224002124 in words is "twenty-five billion, two hundred twenty-four million, two thousand, one hundred twenty-four".