25022886606 has 48 divisors (see below), whose sum is σ = 56381270400. Its totient is φ = 8317670328.

The previous prime is 25022886569. The next prime is 25022886659. The reversal of 25022886606 is 60668822052.

25022886606 is a `hidden beast` number, since 2 + 502 + 2 + 8 + 86 + 60 + 6 = 666.

It is a super-2 number, since 2×25022886606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102765 + ... + 246183.

It is an arithmetic number, because the mean of its divisors is an integer number (1174609800).

Almost surely, 2^25022886606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25022886606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28190635200).

25022886606 is an abundant number, since it is smaller than the sum of its proper divisors (31358383794).

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

25022886606 is a wasteful number, since it uses less digits than its factorization.

25022886606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143795 (or 143783 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 25022886606 in words is "twenty-five billion, twenty-two million, eight hundred eighty-six thousand, six hundred six".