11220737 has 8 divisors (see below), whose sum is σ = 12283680. Its totient is φ = 10164960.

The previous prime is 11220707. The next prime is 11220749. The reversal of 11220737 is 73702211.

11220737 is digitally balanced in base 3, because in such base 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.

It is a cyclic number.

It is not a de Polignac number, because 11220737 - 2⁶ = 11220673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (1535460).

Almost surely, 2^11220737 is an apocalyptic number.

It is an amenable number.

11220737 is a deficient number, since it is larger than the sum of its proper divisors (1062943).

11220737 is a wasteful number, since it uses less digits than its factorization.

11220737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 11220737 is about 3349.7368553366. The cubic root of 11220737 is about 223.8757881185.

Adding to 11220737 its reverse (73702211), we get a palindrome (84922948).

The spelling of 11220737 in words is "eleven million, two hundred twenty thousand, seven hundred thirty-seven".