2221067 has 4 divisors (see below), whose sum is σ = 2351736. Its totient is φ = 2090400.

The previous prime is 2221061. The next prime is 2221069. The reversal of 2221067 is 7601222.

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 2221067 - 2²⁰ = 1172491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221061) 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, 65309 + ... + 65342.

It is an arithmetic number, because the mean of its divisors is an integer number (587934).

2^2221067 is an apocalyptic number.

2221067 is a deficient number, since it is larger than the sum of its proper divisors (130669).

2221067 is a wasteful number, since it uses less digits than its factorization.

2221067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130668.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2221067 is about 1490.3244613171. The cubic root of 2221067 is about 130.4729714089.

Adding to 2221067 its reverse (7601222), we get a palindrome (9822289).

The spelling of 2221067 in words is "two million, two hundred twenty-one thousand, sixty-seven".