11227901 has 4 divisors (see below), whose sum is σ = 11615100. Its totient is φ = 10840704.

The previous prime is 11227897. The next prime is 11227903. The reversal of 11227901 is 10972211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6255001 + 4972900 = 2501^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 11227901 - 2² = 11227897 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193556 + ... + 193613.

It is an arithmetic number, because the mean of its divisors is an integer number (2903775).

Almost surely, 2^11227901 is an apocalyptic number.

It is an amenable number.

11227901 is a deficient number, since it is larger than the sum of its proper divisors (387199).

11227901 is an equidigital number, since it uses as much as digits as its factorization.

11227901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387198.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11227901 is about 3350.8060224370. The cubic root of 11227901 is about 223.9234232823.

The spelling of 11227901 in words is "eleven million, two hundred twenty-seven thousand, nine hundred one".