11290218 has 32 divisors (see below), whose sum is σ = 24037440. Its totient is φ = 3525120.

The previous prime is 11290189. The next prime is 11290229. The reversal of 11290218 is 81209211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10548 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (751170).

Almost surely, 2^11290218 is an apocalyptic number.

11290218 is an abundant number, since it is smaller than the sum of its proper divisors (12747222).

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

11290218 is a wasteful number, since it uses less digits than its factorization.

11290218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11290218 is about 3360.0919630272. The cubic root of 11290218 is about 224.3369318283.

Adding to 11290218 its reverse (81209211), we get a palindrome (92499429).

The spelling of 11290218 in words is "eleven million, two hundred ninety thousand, two hundred eighteen".