8261822 has 4 divisors (see below), whose sum is σ = 12392736. Its totient is φ = 4130910.

The previous prime is 8261819. The next prime is 8261833. The reversal of 8261822 is 2281628.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065454 + ... + 2065457.

It is an arithmetic number, because the mean of its divisors is an integer number (3098184).

Almost surely, 2^8261822 is an apocalyptic number.

8261822 is a deficient number, since it is larger than the sum of its proper divisors (4130914).

8261822 is a wasteful number, since it uses less digits than its factorization.

8261822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130913.

The product of its digits is 3072, while the sum is 29.

The square root of 8261822 is about 2874.3385326019. The cubic root of 8261822 is about 202.1584712076.

The spelling of 8261822 in words is "eight million, two hundred sixty-one thousand, eight hundred twenty-two".