6842022731 has 4 divisors (see below), whose sum is σ = 6842270112. Its totient is φ = 6841775352.

The previous prime is 6842022713. The next prime is 6842022743. The reversal of 6842022731 is 1372202486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1372202486 = 2 ⋅686101243.

It is a cyclic number.

It is not a de Polignac number, because 6842022731 - 2⁶ = 6842022667 is a prime.

It is a super-2 number, since 2×6842022731² = 93626550103041396722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6842022691 and 6842022700.

It is not an unprimeable number, because it can be changed into a prime (6842022631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76100 + ... + 139553.

It is an arithmetic number, because the mean of its divisors is an integer number (1710567528).

Almost surely, 2^6842022731 is an apocalyptic number.

6842022731 is a deficient number, since it is larger than the sum of its proper divisors (247381).

6842022731 is a wasteful number, since it uses less digits than its factorization.

6842022731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247380.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6842022731 is about 82716.5203027787. The cubic root of 6842022731 is about 1898.4310899754.

The spelling of 6842022731 in words is "six billion, eight hundred forty-two million, twenty-two thousand, seven hundred thirty-one".