11422445 has 4 divisors (see below), whose sum is σ = 13706940. Its totient is φ = 9137952.

The previous prime is 11422427. The next prime is 11422451. The reversal of 11422445 is 54422411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54422411 = 1063 ⋅51197.

It can be written as a sum of positive squares in 2 ways, for example, as 1297321 + 10125124 = 1139^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422445 - 2¹⁸ = 11160301 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11422445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142240 + ... + 1142249.

It is an arithmetic number, because the mean of its divisors is an integer number (3426735).

Almost surely, 2^11422445 is an apocalyptic number.

It is an amenable number.

11422445 is a deficient number, since it is larger than the sum of its proper divisors (2284495).

11422445 is an equidigital number, since it uses as much as digits as its factorization.

11422445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284494.

The product of its digits is 1280, while the sum is 23.

The square root of 11422445 is about 3379.7107864431. The cubic root of 11422445 is about 225.2093196109.

Adding to 11422445 its reverse (54422411), we get a palindrome (65844856).

The spelling of 11422445 in words is "eleven million, four hundred twenty-two thousand, four hundred forty-five".