8221467 has 4 divisors (see below), whose sum is σ = 10961960. Its totient is φ = 5480976.

The previous prime is 8221463. The next prime is 8221469. The reversal of 8221467 is 7641228.

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

It is not a de Polignac number, because 8221467 - 2² = 8221463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8221463) 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, 1370242 + ... + 1370247.

It is an arithmetic number, because the mean of its divisors is an integer number (2740490).

Almost surely, 2^8221467 is an apocalyptic number.

8221467 is a deficient number, since it is larger than the sum of its proper divisors (2740493).

8221467 is a wasteful number, since it uses less digits than its factorization.

8221467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740492.

The product of its digits is 5376, while the sum is 30.

The square root of 8221467 is about 2867.3100634567. The cubic root of 8221467 is about 201.8287850897.

The spelling of 8221467 in words is "eight million, two hundred twenty-one thousand, four hundred sixty-seven".