6822544542 has 96 divisors (see below), whose sum is σ = 15477454080. Its totient is φ = 1988265600.

The previous prime is 6822544537. The next prime is 6822544577. The reversal of 6822544542 is 2454452286.

It is a super-2 number, since 2×6822544542² = 93094228055147979528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6822544494 and 6822544503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16680834 + ... + 16681242.

It is an arithmetic number, because the mean of its divisors is an integer number (161223480).

Almost surely, 2^6822544542 is an apocalyptic number.

6822544542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6822544542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7738727040).

6822544542 is an abundant number, since it is smaller than the sum of its proper divisors (8654909538).

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

6822544542 is a wasteful number, since it uses less digits than its factorization.

6822544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 719 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

The square root of 6822544542 is about 82598.6957645216. The cubic root of 6822544542 is about 1896.6278637043.

The spelling of 6822544542 in words is "six billion, eight hundred twenty-two million, five hundred forty-four thousand, five hundred forty-two".