6221105380 has 48 divisors (see below), whose sum is σ = 14939277696. Its totient is φ = 2131718400.

The previous prime is 6221105353. The next prime is 6221105383. The reversal of 6221105380 is 835011226.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (6221105383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249480 + ... + 273280.

It is an arithmetic number, because the mean of its divisors is an integer number (311234952).

Almost surely, 2^6221105380 is an apocalyptic number.

It is an amenable number.

6221105380 is an abundant number, since it is smaller than the sum of its proper divisors (8718172316).

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

6221105380 is a wasteful number, since it uses less digits than its factorization.

6221105380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25684 (or 25682 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 6221105380 is about 78873.9841772938. The cubic root of 6221105380 is about 1839.1727318476.

The spelling of 6221105380 in words is "six billion, two hundred twenty-one million, one hundred five thousand, three hundred eighty".