8417249622 has 80 divisors (see below), whose sum is σ = 19944207360. Its totient is φ = 2645943408.

The previous prime is 8417249587. The next prime is 8417249629. The reversal of 8417249622 is 2269427148.

8417249622 is a `hidden beast` number, since 8 + 4 + 17 + 2 + 4 + 9 + 622 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8417249629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 680263 + ... + 692525.

It is an arithmetic number, because the mean of its divisors is an integer number (249302592).

Almost surely, 2^8417249622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8417249622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9972103680).

8417249622 is an abundant number, since it is smaller than the sum of its proper divisors (11526957738).

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

8417249622 is a wasteful number, since it uses less digits than its factorization.

8417249622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519 (or 12510 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 8417249622 is about 91745.5700401932. The cubic root of 8417249622 is about 2034.1832267655.

The spelling of 8417249622 in words is "eight billion, four hundred seventeen million, two hundred forty-nine thousand, six hundred twenty-two".