11222205 has 16 divisors (see below), whose sum is σ = 18054144. Its totient is φ = 5952320.

The previous prime is 11222201. The next prime is 11222209. The reversal of 11222205 is 50222211.

It is an interprime number because it is at equal distance from previous prime (11222201) and next prime (11222209).

It is not a de Polignac number, because 11222205 - 2² = 11222201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (1128384).

Almost surely, 2^11222205 is an apocalyptic number.

11222205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11222205 is a deficient number, since it is larger than the sum of its proper divisors (6831939).

11222205 is a wasteful number, since it uses less digits than its factorization.

11222205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11222205 is about 3349.9559698599. The cubic root of 11222205 is about 223.8855508559.

Adding to 11222205 its reverse (50222211), we get a palindrome (61444416).

The spelling of 11222205 in words is "eleven million, two hundred twenty-two thousand, two hundred five".