6922206720 has 720 divisors, whose sum is σ = 28526674176. Its totient is φ = 1540915200.

The previous prime is 6922206719. The next prime is 6922206757. The reversal of 6922206720 is 276022296.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36241825 + ... + 36242015.

Almost surely, 2^6922206720 is an apocalyptic number.

6922206720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6922206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14263337088).

6922206720 is an abundant number, since it is smaller than the sum of its proper divisors (21604467456).

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

6922206720 is a wasteful number, since it uses less digits than its factorization.

6922206720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6922206720 is about 83199.7999997596. The cubic root of 6922206720 is about 1905.8184261083.

The spelling of 6922206720 in words is "six billion, nine hundred twenty-two million, two hundred six thousand, seven hundred twenty".