11890226 has 8 divisors (see below), whose sum is σ = 17875740. Its totient is φ = 5931648.

The previous prime is 11890213. The next prime is 11890237. The reversal of 11890226 is 62209811.

It can be written as a sum of positive squares in 2 ways, for example, as 11868025 + 22201 = 3445^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5591 + ... + 7418.

Almost surely, 2^11890226 is an apocalyptic number.

11890226 is a deficient number, since it is larger than the sum of its proper divisors (5985514).

11890226 is a wasteful number, since it uses less digits than its factorization.

11890226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11890226 is about 3448.2207005933. The cubic root of 11890226 is about 228.2425985531.

The spelling of 11890226 in words is "eleven million, eight hundred ninety thousand, two hundred twenty-six".