8220901 has 16 divisors (see below), whose sum is σ = 9455040. Its totient is φ = 7084800.

The previous prime is 8220899. The next prime is 8220923. The reversal of 8220901 is 1090228.

It is a cyclic number.

It is not a de Polignac number, because 8220901 - 2¹ = 8220899 is a prime.

It is a Duffinian number.

8220901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20301 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (590940).

Almost surely, 2^8220901 is an apocalyptic number.

It is an amenable number.

8220901 is a deficient number, since it is larger than the sum of its proper divisors (1234139).

8220901 is a wasteful number, since it uses less digits than its factorization.

8220901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 8220901 is about 2867.2113629797. The cubic root of 8220901 is about 201.8241534056.

The spelling of 8220901 in words is "eight million, two hundred twenty thousand, nine hundred one".