6221746344 has 64 divisors (see below), whose sum is σ = 16982784000. Its totient is φ = 1883779520.

The previous prime is 6221746337. The next prime is 6221746361. The reversal of 6221746344 is 4436471226.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323017 + ... + 341735.

It is an arithmetic number, because the mean of its divisors is an integer number (265356000).

Almost surely, 2^6221746344 is an apocalyptic number.

It is an amenable number.

6221746344 is an abundant number, since it is smaller than the sum of its proper divisors (10761037656).

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

6221746344 is a wasteful number, since it uses less digits than its factorization.

6221746344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19998 (or 19994 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 6221746344 is about 78878.0472882031. The cubic root of 6221746344 is about 1839.2358933468.

The spelling of 6221746344 in words is "six billion, two hundred twenty-one million, seven hundred forty-six thousand, three hundred forty-four".