Adding to 11390226 its reverse (62209311), we get a palindrome (73599537).
11390226 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
11390226 is an admirable number.
It is an unprimeable number.
Almost surely, 211390226 is an apocalyptic number.
11390226 is the 2135-th centered pentagonal number.
11390226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11390226 is a wasteful number, since it uses less digits than its factorization.
11390226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898376.
The square root of 11390226 is about 3374.9408883712. The cubic root of 11390226 is about 224.9973728088.
The spelling of 11390226 in words is "eleven million, three hundred ninety thousand, two hundred twenty-six".