25323214224 has 160 divisors (see below), whose sum is σ = 83296382976. Its totient is φ = 6437468160.

The previous prime is 25323214181. The next prime is 25323214243. The reversal of 25323214224 is 42241232352.

It is a junction number, because it is equal to n+sod(n) for n = 25323214191 and 25323214200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100824 + ... + 246600.

Almost surely, 2^25323214224 is an apocalyptic number.

25323214224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25323214224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41648191488).

25323214224 is an abundant number, since it is smaller than the sum of its proper divisors (57973168752).

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

25323214224 is a wasteful number, since it uses less digits than its factorization.

25323214224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145853 (or 145847 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

Adding to 25323214224 its reverse (42241232352), we get a palindrome (67564446576).

The spelling of 25323214224 in words is "twenty-five billion, three hundred twenty-three million, two hundred fourteen thousand, two hundred twenty-four".