8205422 has 4 divisors (see below), whose sum is σ = 12308136. Its totient is φ = 4102710.

The previous prime is 8205409. The next prime is 8205427. The reversal of 8205422 is 2245028.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051354 + ... + 2051357.

It is an arithmetic number, because the mean of its divisors is an integer number (3077034).

Almost surely, 2^8205422 is an apocalyptic number.

8205422 is a deficient number, since it is larger than the sum of its proper divisors (4102714).

8205422 is a wasteful number, since it uses less digits than its factorization.

8205422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102713.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 8205422 is about 2864.5107784751. The cubic root of 8205422 is about 201.6974033549.

The spelling of 8205422 in words is "eight million, two hundred five thousand, four hundred twenty-two".