8208622406 has 4 divisors (see below), whose sum is σ = 12312933612. Its totient is φ = 4104311202.

The previous prime is 8208622403. The next prime is 8208622417. The reversal of 8208622406 is 6042268028.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8208622406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208622403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052155600 + ... + 2052155603.

It is an arithmetic number, because the mean of its divisors is an integer number (3078233403).

Almost surely, 2^8208622406 is an apocalyptic number.

8208622406 is a deficient number, since it is larger than the sum of its proper divisors (4104311206).

8208622406 is a wasteful number, since it uses less digits than its factorization.

8208622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104311205.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 8208622406 is about 90601.4481451594. The cubic root of 8208622406 is about 2017.2362299657.

It can be divided in two parts, 8208622 and 406, that added together give a palindrome (8209028).

The spelling of 8208622406 in words is "eight billion, two hundred eight million, six hundred twenty-two thousand, four hundred six".