8022021 has 8 divisors (see below), whose sum is σ = 12224064. Its totient is φ = 4584000.

The previous prime is 8022017. The next prime is 8022029. The reversal of 8022021 is 1202208.

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

It is not a de Polignac number, because 8022021 - 2² = 8022017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8022029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190980 + ... + 191021.

It is an arithmetic number, because the mean of its divisors is an integer number (1528008).

Almost surely, 2^8022021 is an apocalyptic number.

It is an amenable number.

8022021 is a deficient number, since it is larger than the sum of its proper divisors (4202043).

8022021 is a wasteful number, since it uses less digits than its factorization.

8022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382011.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8022021 is about 2832.3172491795. The cubic root of 8022021 is about 200.1833402138.

Adding to 8022021 its reverse (1202208), we get a palindrome (9224229).

The spelling of 8022021 in words is "eight million, twenty-two thousand, twenty-one".