11264221 has 8 divisors (see below), whose sum is σ = 11620800. Its totient is φ = 10913280.

The previous prime is 11264219. The next prime is 11264257. The reversal of 11264221 is 12246211.

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 11264221 - 2¹ = 11264219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264521) 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, 2845 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1452600).

Almost surely, 2^11264221 is an apocalyptic number.

It is an amenable number.

11264221 is a deficient number, since it is larger than the sum of its proper divisors (356579).

11264221 is an equidigital number, since it uses as much as digits as its factorization.

11264221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819.

The product of its digits is 192, while the sum is 19.

The square root of 11264221 is about 3356.2212382380. The cubic root of 11264221 is about 224.1646124719.

The spelling of 11264221 in words is "eleven million, two hundred sixty-four thousand, two hundred twenty-one".