11122445 has 4 divisors (see below), whose sum is σ = 13346940. Its totient is φ = 8897952.

The previous prime is 11122427. The next prime is 11122451. The reversal of 11122445 is 54422111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 7382089 = 1934^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122445 - 2¹⁰ = 11121421 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1112240 + ... + 1112249.

It is an arithmetic number, because the mean of its divisors is an integer number (3336735).

Almost surely, 2^11122445 is an apocalyptic number.

It is an amenable number.

11122445 is a deficient number, since it is larger than the sum of its proper divisors (2224495).

11122445 is an equidigital number, since it uses as much as digits as its factorization.

11122445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224494.

The product of its digits is 320, while the sum is 20.

The square root of 11122445 is about 3335.0329833451. The cubic root of 11122445 is about 223.2201636974.

Adding to 11122445 its reverse (54422111), we get a palindrome (65544556).

The spelling of 11122445 in words is "eleven million, one hundred twenty-two thousand, four hundred forty-five".