65422444 has 12 divisors (see below), whose sum is σ = 115066000. Its totient is φ = 32546448.

The previous prime is 65422433. The next prime is 65422451. The reversal of 65422444 is 44422456.

It is a happy number.

65422444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40299 + ... + 41890.

Almost surely, 2^65422444 is an apocalyptic number.

It is an amenable number.

65422444 is a deficient number, since it is larger than the sum of its proper divisors (49643556).

65422444 is a wasteful number, since it uses less digits than its factorization.

65422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82392 (or 82390 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 65422444 is about 8088.4141832624. The cubic root of 65422444 is about 402.9417374165.

The spelling of 65422444 in words is "sixty-five million, four hundred twenty-two thousand, four hundred forty-four".