11443442 has 16 divisors (see below), whose sum is σ = 17700120.
Its totient is φ = 5546112.
The previous prime is 11443441. The next prime is 11443457. The reversal of 11443442 is 24434411.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6295081 + 5148361 = 2509^2 + 2269^2
It is a super-3 number, since 3×114434423 (a number of 22 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (11443441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8828 + ... + 10040.
Almost surely, 211443442 is an apocalyptic number.
11443442 is a deficient number, since it is larger than the sum of its proper divisors (6256678).
11443442 is a wasteful number, since it uses less digits than its factorization.
11443442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1357.
The product of its digits is 1536, while the sum is 23.
The square root of 11443442 is about 3382.8156911070.
The cubic root of 11443442 is about 225.3472301184.
Adding to 11443442 its reverse (24434411), we get a palindrome (35877853).
The spelling of 11443442 in words is "eleven million, four hundred forty-three thousand, four hundred forty-two".