11220205 has 16 divisors (see below), whose sum is σ = 14382720. Its totient is φ = 8382528.

The previous prime is 11220199. The next prime is 11220211. The reversal of 11220205 is 50202211.

It is an interprime number because it is at equal distance from previous prime (11220199) and next prime (11220211).

It is a cyclic number.

It is not a de Polignac number, because 11220205 - 2³ = 11220197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (898920).

Almost surely, 2^11220205 is an apocalyptic number.

It is an amenable number.

11220205 is a deficient number, since it is larger than the sum of its proper divisors (3162515).

11220205 is a wasteful number, since it uses less digits than its factorization.

11220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 11220205 is about 3349.6574451726. The cubic root of 11220205 is about 223.8722499136.

Adding to 11220205 its reverse (50202211), we get a palindrome (61422416).

The spelling of 11220205 in words is "eleven million, two hundred twenty thousand, two hundred five".