11222890 has 32 divisors (see below), whose sum is σ = 24447744. Its totient is φ = 3621120.

The previous prime is 11222867. The next prime is 11222917. The reversal of 11222890 is 9822211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (763992).

Almost surely, 2^11222890 is an apocalyptic number.

11222890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222890 is an abundant number, since it is smaller than the sum of its proper divisors (13224854).

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

11222890 is a wasteful number, since it uses less digits than its factorization.

11222890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11222890 is about 3350.0582084495. The cubic root of 11222890 is about 223.8901060653.

The spelling of 11222890 in words is "eleven million, two hundred twenty-two thousand, eight hundred ninety".