11444402 has 4 divisors (see below), whose sum is σ = 17166606. Its totient is φ = 5722200.

The previous prime is 11444401. The next prime is 11444437. The reversal of 11444402 is 20444411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20444411 = 13 ⋅1572647.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 561001 = 3299^2 + 749^2 .

It is not an unprimeable number, because it can be changed into a prime (11444401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2861099 + ... + 2861102.

Almost surely, 2^11444402 is an apocalyptic number.

11444402 is a deficient number, since it is larger than the sum of its proper divisors (5722204).

11444402 is an equidigital number, since it uses as much as digits as its factorization.

11444402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722203.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 11444402 is about 3382.9575817619. The cubic root of 11444402 is about 225.3535314652.

Adding to 11444402 its reverse (20444411), we get a palindrome (31888813).

Subtracting 11444402 from its reverse (20444411), we obtain a palindrome (9000009).

The spelling of 11444402 in words is "eleven million, four hundred forty-four thousand, four hundred two".