11031224 has 8 divisors (see below), whose sum is σ = 20683560. Its totient is φ = 5515608.

The previous prime is 11031221. The next prime is 11031239. The reversal of 11031224 is 42213011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11031199 and 11031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689444 + ... + 689459.

It is an arithmetic number, because the mean of its divisors is an integer number (2585445).

Almost surely, 2^11031224 is an apocalyptic number.

It is an amenable number.

11031224 is a deficient number, since it is larger than the sum of its proper divisors (9652336).

11031224 is a wasteful number, since it uses less digits than its factorization.

11031224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378909 (or 1378905 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11031224 is about 3321.3286498027. The cubic root of 11031224 is about 222.6082392188.

Adding to 11031224 its reverse (42213011), we get a palindrome (53244235).

The spelling of 11031224 in words is "eleven million, thirty-one thousand, two hundred twenty-four".