11220365 has 16 divisors (see below), whose sum is σ = 14778288. Its totient is φ = 8126976.

The previous prime is 11220359. The next prime is 11220367. The reversal of 11220365 is 56302211.

It can be written as a sum of positive squares in 8 ways, for example, as 24649 + 11195716 = 157^2 + 3346^2 .

It is not a de Polignac number, because 11220365 - 2⁶ = 11220301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220367) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1817 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (923643).

Almost surely, 2^11220365 is an apocalyptic number.

It is an amenable number.

11220365 is a deficient number, since it is larger than the sum of its proper divisors (3557923).

11220365 is a wasteful number, since it uses less digits than its factorization.

11220365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 11220365 is about 3349.6813281266. The cubic root of 11220365 is about 223.8733140471.

Adding to 11220365 its reverse (56302211), we get a palindrome (67522576).

The spelling of 11220365 in words is "eleven million, two hundred twenty thousand, three hundred sixty-five".