2026221 has 4 divisors (see below), whose sum is σ = 2701632. Its totient is φ = 1350812.

The previous prime is 2026187. The next prime is 2026223. The reversal of 2026221 is 1226202.

2026221 is nontrivially palindromic in base 4.

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 a cyclic number.

It is not a de Polignac number, because 2026221 - 2¹⁰ = 2025197 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2026221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026223) 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, 337701 + ... + 337706.

It is an arithmetic number, because the mean of its divisors is an integer number (675408).

2^2026221 is an apocalyptic number.

It is an amenable number.

2026221 is a deficient number, since it is larger than the sum of its proper divisors (675411).

2026221 is an equidigital number, since it uses as much as digits as its factorization.

2026221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675410.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2026221 is about 1423.4538980943. The cubic root of 2026221 is about 126.5403226192.

The spelling of 2026221 in words is "two million, twenty-six thousand, two hundred twenty-one".