440422133 has 8 divisors (see below), whose sum is σ = 446002200. Its totient is φ = 434871808.

The previous prime is 440422117. The next prime is 440422139. The reversal of 440422133 is 331224044.

It can be written as a sum of positive squares in 4 ways, for example, as 64915249 + 375506884 = 8057^2 + 19378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440422133 - 2⁴ = 440422117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440422099 and 440422108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440422139) 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, 23153 + ... + 37641.

It is an arithmetic number, because the mean of its divisors is an integer number (55750275).

Almost surely, 2^440422133 is an apocalyptic number.

It is an amenable number.

440422133 is a deficient number, since it is larger than the sum of its proper divisors (5580067).

440422133 is a wasteful number, since it uses less digits than its factorization.

440422133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 440422133 is about 20986.2367517380. The cubic root of 440422133 is about 760.8336495185.

Adding to 440422133 its reverse (331224044), we get a palindrome (771646177).

The spelling of 440422133 in words is "four hundred forty million, four hundred twenty-two thousand, one hundred thirty-three".