8227021 has 8 divisors (see below), whose sum is σ = 9166464. Its totient is φ = 7319520.

The previous prime is 8227007. The next prime is 8227033. The reversal of 8227021 is 1207228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8227021 - 2⁵ = 8226989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8226983 and 8227001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8227081) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (1145808).

Almost surely, 2^8227021 is an apocalyptic number.

It is an amenable number.

8227021 is a deficient number, since it is larger than the sum of its proper divisors (939443).

8227021 is a wasteful number, since it uses less digits than its factorization.

8227021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15971.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 8227021 is about 2868.2784035027. The cubic root of 8227021 is about 201.8742232395.

The spelling of 8227021 in words is "eight million, two hundred twenty-seven thousand, twenty-one".