25225622316 has 30 divisors (see below), whose sum is σ = 65944760420. Its totient is φ = 8408540664.

The previous prime is 25225622287. The next prime is 25225622399. The reversal of 25225622316 is 61322652252.

25225622316 is a `hidden beast` number, since 2 + 5 + 2 + 25 + 622 + 3 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38928106 + ... + 38928753.

Almost surely, 2^25225622316 is an apocalyptic number.

It is an amenable number.

25225622316 is an abundant number, since it is smaller than the sum of its proper divisors (40719138104).

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

25225622316 is a wasteful number, since it uses less digits than its factorization.

25225622316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77856875 (or 77856864 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 25225622316 in words is "twenty-five billion, two hundred twenty-five million, six hundred twenty-two thousand, three hundred sixteen".