65122944 has 32 divisors (see below), whose sum is σ = 172983840. Its totient is φ = 21707520.

The previous prime is 65122943. The next prime is 65122963. The reversal of 65122944 is 44922156.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (65122943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84412 + ... + 85179.

It is an arithmetic number, because the mean of its divisors is an integer number (5405745).

Almost surely, 2^65122944 is an apocalyptic number.

65122944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65122944 is an abundant number, since it is smaller than the sum of its proper divisors (107860896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65122944 is a wasteful number, since it uses less digits than its factorization.

65122944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169608 (or 169596 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 65122944 is about 8069.8788094989. The cubic root of 65122944 is about 402.3259157421.

It can be divided in two parts, 65122 and 944, that added together give a palindrome (66066).

The spelling of 65122944 in words is "sixty-five million, one hundred twenty-two thousand, nine hundred forty-four".