25223245250 has 64 divisors (see below), whose sum is σ = 54569998080. Its totient is φ = 8550748800.

The previous prime is 25223245231. The next prime is 25223245277. The reversal of 25223245250 is 5254232252.

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, 74777 + ... + 236723.

It is an arithmetic number, because the mean of its divisors is an integer number (852656220).

Almost surely, 2^25223245250 is an apocalyptic number.

25223245250 is an abundant number, since it is smaller than the sum of its proper divisors (29346752830).

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

25223245250 is a wasteful number, since it uses less digits than its factorization.

25223245250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162060 (or 162050 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 25223245250 in words is "twenty-five billion, two hundred twenty-three million, two hundred forty-five thousand, two hundred fifty".