43444222403 has 4 divisors (see below), whose sum is σ = 43624489128. Its totient is φ = 43263955680.

The previous prime is 43444222351. The next prime is 43444222411. The reversal of 43444222403 is 30422244434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43444222403 is a prime.

It is a super-3 number, since 3×43444222403³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43444222403.

It is not an unprimeable number, because it can be changed into a prime (43444222903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90133001 + ... + 90133482.

It is an arithmetic number, because the mean of its divisors is an integer number (10906122282).

Almost surely, 2^43444222403 is an apocalyptic number.

43444222403 is a deficient number, since it is larger than the sum of its proper divisors (180266725).

43444222403 is a wasteful number, since it uses less digits than its factorization.

43444222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180266724.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 43444222403 its reverse (30422244434), we get a palindrome (73866466837).

The spelling of 43444222403 in words is "forty-three billion, four hundred forty-four million, two hundred twenty-two thousand, four hundred three".