2221027 has 4 divisors (see below), whose sum is σ = 2230560. Its totient is φ = 2211496.

The previous prime is 2221019. The next prime is 2221031. The reversal of 2221027 is 7201222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221027 - 2³ = 2221019 is a prime.

It is an Ulam number.

It is a Duffinian number.

2221027 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221027.

It is not an unprimeable number, because it can be changed into a prime (2221007) 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, 4408 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (557640).

2^2221027 is an apocalyptic number.

2221027 is a deficient number, since it is larger than the sum of its proper divisors (9533).

2221027 is an equidigital number, since it uses as much as digits as its factorization.

2221027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2221027 is about 1490.3110413602. The cubic root of 2221027 is about 130.4721881592.

Adding to 2221027 its reverse (7201222), we get a palindrome (9422249).

The spelling of 2221027 in words is "two million, two hundred twenty-one thousand, twenty-seven".