6857244722 has 4 divisors (see below), whose sum is σ = 10285867086. Its totient is φ = 3428622360.

The previous prime is 6857244689. The next prime is 6857244749. The reversal of 6857244722 is 2274427586.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6481699081 + 375545641 = 80509^2 + 19379^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1714311179 + ... + 1714311182.

Almost surely, 2^6857244722 is an apocalyptic number.

6857244722 is a deficient number, since it is larger than the sum of its proper divisors (3428622364).

6857244722 is a wasteful number, since it uses less digits than its factorization.

6857244722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428622363.

The product of its digits is 1505280, while the sum is 47.

The square root of 6857244722 is about 82808.4821863075. The cubic root of 6857244722 is about 1899.8379106416.

The spelling of 6857244722 in words is "six billion, eight hundred fifty-seven million, two hundred forty-four thousand, seven hundred twenty-two".