11222770 has 32 divisors (see below), whose sum is σ = 21954240. Its totient is φ = 4105920.

The previous prime is 11222759. The next prime is 11222789. The reversal of 11222770 is 7722211.

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, 16701 + ... + 17359.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^11222770 is an apocalyptic number.

11222770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222770 is a deficient number, since it is larger than the sum of its proper divisors (10731470).

11222770 is a wasteful number, since it uses less digits than its factorization.

11222770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 11222770 is about 3350.0402982651. The cubic root of 11222770 is about 223.8893080858.

Adding to 11222770 its reverse (7722211), we get a palindrome (18944981).

The spelling of 11222770 in words is "eleven million, two hundred twenty-two thousand, seven hundred seventy".