8225486478550 has 48 divisors (see below), whose sum is σ = 16692122921472. Its totient is φ = 2990752106400.

The previous prime is 8225486478523. The next prime is 8225486478577. The reversal of 8225486478550 is 558746845228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8225486478523) and next prime (8225486478577).

It is a super-2 number, since 2×8225486478550² (a number of 27 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, 4123639 + ... + 5784061.

It is an arithmetic number, because the mean of its divisors is an integer number (347752560864).

Almost surely, 2^{8225486478550} is an apocalyptic number.

8225486478550 is an abundant number, since it is smaller than the sum of its proper divisors (8466636442922).

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

8225486478550 is a wasteful number, since it uses less digits than its factorization.

8225486478550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669453 (or 1669448 counting only the distinct ones).

The product of its (nonzero) digits is 172032000, while the sum is 64.

The spelling of 8225486478550 in words is "eight trillion, two hundred twenty-five billion, four hundred eighty-six million, four hundred seventy-eight thousand, five hundred fifty".