11227205 has 16 divisors (see below), whose sum is σ = 15206400. Its totient is φ = 7882560.

The previous prime is 11227201. The next prime is 11227211. The reversal of 11227205 is 50272211.

It is not a de Polignac number, because 11227205 - 2² = 11227201 is a prime.

It is a super-2 number, since 2×11227205² = 252100264224050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227201) 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, 1925 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^11227205 is an apocalyptic number.

It is an amenable number.

11227205 is a deficient number, since it is larger than the sum of its proper divisors (3979195).

11227205 is a wasteful number, since it uses less digits than its factorization.

11227205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11227205 is about 3350.7021652185. The cubic root of 11227205 is about 223.9187962993.

Adding to 11227205 its reverse (50272211), we get a palindrome (61499416).

The spelling of 11227205 in words is "eleven million, two hundred twenty-seven thousand, two hundred five".