11564226 has 12 divisors (see below), whose sum is σ = 25055862. Its totient is φ = 3854736.

The previous prime is 11564219. The next prime is 11564227. The reversal of 11564226 is 62246511.

11564226 is a `hidden beast` number, since 1 + 15 + 642 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 11025 = 3399^2 + 105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11564226.

It is not an unprimeable number, because it can be changed into a prime (11564227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321211 + ... + 321246.

Almost surely, 2^11564226 is an apocalyptic number.

11564226 is an abundant number, since it is smaller than the sum of its proper divisors (13491636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11564226 is a wasteful number, since it uses less digits than its factorization.

11564226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642465 (or 642462 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11564226 is about 3400.6214138007. The cubic root of 11564226 is about 226.1372935589.

The spelling of 11564226 in words is "eleven million, five hundred sixty-four thousand, two hundred twenty-six".