11280227 has 16 divisors (see below), whose sum is σ = 13406400. Its totient is φ = 9289728.

The previous prime is 11280223. The next prime is 11280239. The reversal of 11280227 is 72208211.

It is not a de Polignac number, because 11280227 - 2² = 11280223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11280221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24899 + ... + 25347.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^11280227 is an apocalyptic number.

11280227 is a deficient number, since it is larger than the sum of its proper divisors (2126173).

11280227 is an equidigital number, since it uses as much as digits as its factorization.

11280227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 11280227 is about 3358.6049187125. The cubic root of 11280227 is about 224.2707384872.

Adding to 11280227 its reverse (72208211), we get a palindrome (83488438).

The spelling of 11280227 in words is "eleven million, two hundred eighty thousand, two hundred twenty-seven".