2221006 has 8 divisors (see below), whose sum is σ = 3373920. Its totient is φ = 1096368.

The previous prime is 2220979. The next prime is 2221007. The reversal of 2221006 is 6001222.

It is a happy number.

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

It is a congruent number.

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, 6871 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (421740).

2^2221006 is an apocalyptic number.

2221006 is a deficient number, since it is larger than the sum of its proper divisors (1152914).

2221006 is a wasteful number, since it uses less digits than its factorization.

2221006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14138.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2221006 is about 1490.3039958344. The cubic root of 2221006 is about 130.4717769494.

Adding to 2221006 its reverse (6001222), we get a palindrome (8222228).

The spelling of 2221006 in words is "two million, two hundred twenty-one thousand, six".