65622944 has 12 divisors (see below), whose sum is σ = 129195234. Its totient is φ = 32811456.

The previous prime is 65622937. The next prime is 65622959. The reversal of 65622944 is 44922656.

65622944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 659344 = 8060^2 + 812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65622898 and 65622907.

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 as a sum of consecutive naturals, namely, 1025327 + ... + 1025390.

Almost surely, 2^65622944 is an apocalyptic number.

It is an amenable number.

65622944 is a deficient number, since it is larger than the sum of its proper divisors (63572290).

65622944 is a wasteful number, since it uses less digits than its factorization.

65622944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050727 (or 2050719 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 65622944 is about 8100.7989729409. The cubic root of 65622944 is about 403.3529491329.

It can be divided in two parts, 65622 and 944, that added together give a palindrome (66566).

The spelling of 65622944 in words is "sixty-five million, six hundred twenty-two thousand, nine hundred forty-four".