8222961 has 4 divisors (see below), whose sum is σ = 10963952. Its totient is φ = 5481972.

The previous prime is 8222959. The next prime is 8222969. The reversal of 8222961 is 1692228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8222961 - 2¹ = 8222959 is a prime.

It is a Duffinian number.

8222961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8222969) 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, 1370491 + ... + 1370496.

It is an arithmetic number, because the mean of its divisors is an integer number (2740988).

Almost surely, 2^8222961 is an apocalyptic number.

It is an amenable number.

8222961 is a deficient number, since it is larger than the sum of its proper divisors (2740991).

8222961 is a wasteful number, since it uses less digits than its factorization.

8222961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740990.

The product of its digits is 3456, while the sum is 30.

The square root of 8222961 is about 2867.5705745456. The cubic root of 8222961 is about 201.8410097508.

The spelling of 8222961 in words is "eight million, two hundred twenty-two thousand, nine hundred sixty-one".