11205227 has 8 divisors (see below), whose sum is σ = 12943152. Its totient is φ = 9587200.

The previous prime is 11205211. The next prime is 11205253. The reversal of 11205227 is 72250211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11205227 - 2⁴ = 11205211 is a prime.

It is a super-2 number, since 2×11205227² = 251114224243058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11205199 and 11205208.

It is not an unprimeable number, because it can be changed into a prime (11205287) 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, 29774 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (1617894).

Almost surely, 2^11205227 is an apocalyptic number.

11205227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11205227 is a deficient number, since it is larger than the sum of its proper divisors (1737925).

11205227 is a wasteful number, since it uses less digits than its factorization.

11205227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59949.

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

The square root of 11205227 is about 3347.4209475356. The cubic root of 11205227 is about 223.7725888787.

Adding to 11205227 its reverse (72250211), we get a palindrome (83455438).

The spelling of 11205227 in words is "eleven million, two hundred five thousand, two hundred twenty-seven".