11224665 has 12 divisors (see below), whose sum is σ = 19456164. Its totient is φ = 5986464.

The previous prime is 11224657. The next prime is 11224679. The reversal of 11224665 is 56642211.

11224665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 9659664 = 1251^2 + 3108^2 .

It is not a de Polignac number, because 11224665 - 2³ = 11224657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124674 + ... + 124763.

It is an arithmetic number, because the mean of its divisors is an integer number (1621347).

Almost surely, 2^11224665 is an apocalyptic number.

11224665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11224665 is a deficient number, since it is larger than the sum of its proper divisors (8231499).

11224665 is a wasteful number, since it uses less digits than its factorization.

11224665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249448 (or 249445 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11224665 is about 3350.3231187454. The cubic root of 11224665 is about 223.9019088478.

Adding to 11224665 its reverse (56642211), we get a palindrome (67866876).

It can be divided in two parts, 11 and 224665, that added together give a square (224676 = 474²).

The spelling of 11224665 in words is "eleven million, two hundred twenty-four thousand, six hundred sixty-five".