6722257571 has 8 divisors (see below), whose sum is σ = 6842024640. Its totient is φ = 6602684968.

The previous prime is 6722257561. The next prime is 6722257583. The reversal of 6722257571 is 1757522276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6722257571 - 2²⁶ = 6655148707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722257561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22040 + ... + 118026.

It is an arithmetic number, because the mean of its divisors is an integer number (855253080).

Almost surely, 2^6722257571 is an apocalyptic number.

6722257571 is a deficient number, since it is larger than the sum of its proper divisors (119767069).

6722257571 is a wasteful number, since it uses less digits than its factorization.

6722257571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97233.

The product of its digits is 411600, while the sum is 44.

The square root of 6722257571 is about 81989.3747445363. The cubic root of 6722257571 is about 1887.2888884890.

The spelling of 6722257571 in words is "six billion, seven hundred twenty-two million, two hundred fifty-seven thousand, five hundred seventy-one".