2220006 has 16 divisors (see below), whose sum is σ = 4633344. Its totient is φ = 707784.

The previous prime is 2219999. The next prime is 2220007. The reversal of 2220006 is 6000222.

It is a junction number, because it is equal to n+sod(n) for n = 2219973 and 2220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7906 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (289584).

2^2220006 is an apocalyptic number.

2220006 is an abundant number, since it is smaller than the sum of its proper divisors (2413338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220006 is a wasteful number, since it uses less digits than its factorization.

2220006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2220006 is about 1489.9684560419. The cubic root of 2220006 is about 130.4521925263.

Adding to 2220006 its reverse (6000222), we get a palindrome (8220228).

The spelling of 2220006 in words is "two million, two hundred twenty thousand, six".