6988221846 has 12 divisors (see below), whose sum is σ = 15141147372. Its totient is φ = 2329407276.

The previous prime is 6988221839. The next prime is 6988221847. The reversal of 6988221846 is 6481228896.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6988221792 and 6988221801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988221847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194117256 + ... + 194117291.

It is an arithmetic number, because the mean of its divisors is an integer number (1261762281).

Almost surely, 2^6988221846 is an apocalyptic number.

6988221846 is an abundant number, since it is smaller than the sum of its proper divisors (8152925526).

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

6988221846 is a wasteful number, since it uses less digits than its factorization.

6988221846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388234555 (or 388234552 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 6988221846 is about 83595.5850867736. The cubic root of 6988221846 is about 1911.8576853147.

The spelling of 6988221846 in words is "six billion, nine hundred eighty-eight million, two hundred twenty-one thousand, eight hundred forty-six".