6564407022 has 60 divisors (see below), whose sum is σ = 15117933600. Its totient is φ = 2128924944.

The previous prime is 6564407009. The next prime is 6564407051. The reversal of 6564407022 is 2207044656.

6564407022 is a `hidden beast` number, since 6 + 5 + 644 + 0 + 7 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 206979 + ... + 236577.

It is an arithmetic number, because the mean of its divisors is an integer number (251965560).

Almost surely, 2^6564407022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6564407022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7558966800).

6564407022 is an abundant number, since it is smaller than the sum of its proper divisors (8553526578).

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

6564407022 is a wasteful number, since it uses less digits than its factorization.

6564407022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29687 (or 29641 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 6564407022 is about 81021.0282704435. The cubic root of 6564407022 is about 1872.3994309158.

The spelling of 6564407022 in words is "six billion, five hundred sixty-four million, four hundred seven thousand, twenty-two".