6940222848 has 384 divisors, whose sum is σ = 22455014400. Its totient is φ = 2043740160.

The previous prime is 6940222847. The next prime is 6940222909. The reversal of 6940222848 is 8482220496.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×6940222848² = 96333386359802462208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940222847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54647361 + ... + 54647487.

It is an arithmetic number, because the mean of its divisors is an integer number (58476600).

Almost surely, 2^6940222848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6940222848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11227507200).

6940222848 is an abundant number, since it is smaller than the sum of its proper divisors (15514791552).

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

6940222848 is a wasteful number, since it uses less digits than its factorization.

6940222848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 6940222848 is about 83307.9999039708. Note that the first 4 decimals coincide. The cubic root of 6940222848 is about 1907.4703908300.

The spelling of 6940222848 in words is "six billion, nine hundred forty million, two hundred twenty-two thousand, eight hundred forty-eight".