43422965 has 12 divisors (see below), whose sum is σ = 54474924. Its totient is φ = 33225984.

The previous prime is 43422943. The next prime is 43422979. The reversal of 43422965 is 56922434.

It can be written as a sum of positive squares in 2 ways, for example, as 13205956 + 30217009 = 3634^2 + 5497^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43422965 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5564 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (4539577).

Almost surely, 2^43422965 is an apocalyptic number.

It is an amenable number.

43422965 is a deficient number, since it is larger than the sum of its proper divisors (11051959).

43422965 is a wasteful number, since it uses less digits than its factorization.

43422965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468 (or 16445 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 43422965 is about 6589.6103830196. The cubic root of 43422965 is about 351.4847537645.

The spelling of 43422965 in words is "forty-three million, four hundred twenty-two thousand, nine hundred sixty-five".