11220766 has 8 divisors (see below), whose sum is σ = 17004960. Its totient is φ = 5552448.

The previous prime is 11220763. The next prime is 11220779. The reversal of 11220766 is 66702211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11220766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28726 + ... + 29113.

It is an arithmetic number, because the mean of its divisors is an integer number (2125620).

Almost surely, 2^11220766 is an apocalyptic number.

11220766 is a deficient number, since it is larger than the sum of its proper divisors (5784194).

11220766 is an equidigital number, since it uses as much as digits as its factorization.

11220766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57938.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11220766 is about 3349.7411840320. The cubic root of 11220766 is about 223.8759809874.

Adding to 11220766 its reverse (66702211), we get a palindrome (77922977).

The spelling of 11220766 in words is "eleven million, two hundred twenty thousand, seven hundred sixty-six".