8225399242 has 8 divisors (see below), whose sum is σ = 12874538016. Its totient is φ = 3933886572.

The previous prime is 8225399239. The next prime is 8225399249. The reversal of 8225399242 is 2429935228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 178813027 = 8225399242 / (8 + 2 + 2 + 5 + 3 + 9 + 9 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 8225399192 and 8225399201.

It is not an unprimeable number, because it can be changed into a prime (8225399249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89406468 + ... + 89406559.

It is an arithmetic number, because the mean of its divisors is an integer number (1609317252).

Almost surely, 2^8225399242 is an apocalyptic number.

8225399242 is a deficient number, since it is larger than the sum of its proper divisors (4649138774).

8225399242 is a wasteful number, since it uses less digits than its factorization.

8225399242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178813052.

The product of its digits is 622080, while the sum is 46.

The square root of 8225399242 is about 90693.9868017720. The cubic root of 8225399242 is about 2018.6095749600.

The spelling of 8225399242 in words is "eight billion, two hundred twenty-five million, three hundred ninety-nine thousand, two hundred forty-two".