6565544022 has 16 divisors (see below), whose sum is σ = 13410473472. Its totient is φ = 2141950440.

The previous prime is 6565543997. The next prime is 6565544047. The reversal of 6565544022 is 2204455656.

It is an interprime number because it is at equal distance from previous prime (6565543997) and next prime (6565544047).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11640754 + ... + 11641317.

It is an arithmetic number, because the mean of its divisors is an integer number (838154592).

Almost surely, 2^6565544022 is an apocalyptic number.

6565544022 is an abundant number, since it is smaller than the sum of its proper divisors (6844929450).

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

6565544022 is a wasteful number, since it uses less digits than its factorization.

6565544022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282123.

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 6565544022 is about 81028.0446635608. The cubic root of 6565544022 is about 1872.5075287858.

Adding to 6565544022 its reverse (2204455656), we get a palindrome (8769999678).

The spelling of 6565544022 in words is "six billion, five hundred sixty-five million, five hundred forty-four thousand, twenty-two".