65864022 has 32 divisors (see below), whose sum is σ = 150991872. Its totient is φ = 18762624.

The previous prime is 65864021. The next prime is 65864027. The reversal of 65864022 is 22046856.

65864022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65864021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13278 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (4718496).

Almost surely, 2^65864022 is an apocalyptic number.

65864022 is an abundant number, since it is smaller than the sum of its proper divisors (85127850).

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

65864022 is a wasteful number, since it uses less digits than its factorization.

65864022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 65864022 is about 8115.6652222723. The cubic root of 65864022 is about 403.8462760244.

The spelling of 65864022 in words is "sixty-five million, eight hundred sixty-four thousand, twenty-two".