11220006 has 16 divisors (see below), whose sum is σ = 25645824. Its totient is φ = 3205704.

The previous prime is 11219987. The next prime is 11220007. The reversal of 11220006 is 60002211.

It is a junction number, because it is equal to n+sod(n) for n = 11219973 and 11220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133530 + ... + 133613.

It is an arithmetic number, because the mean of its divisors is an integer number (1602864).

Almost surely, 2^11220006 is an apocalyptic number.

11220006 is an abundant number, since it is smaller than the sum of its proper divisors (14425818).

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

11220006 is a wasteful number, since it uses less digits than its factorization.

11220006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11220006 is about 3349.6277405109. The cubic root of 11220006 is about 223.8709263833.

Adding to 11220006 its reverse (60002211), we get a palindrome (71222217).

The spelling of 11220006 in words is "eleven million, two hundred twenty thousand, six".