6621822010 has 32 divisors (see below), whose sum is σ = 12592661760. Its totient is φ = 2502975552.

The previous prime is 6621821971. The next prime is 6621822013. The reversal of 6621822010 is 102281266.

It is a self number, because there is not a number n which added to its sum of digits gives 6621822010.

It is not an unprimeable number, because it can be changed into a prime (6621822013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229284 + ... + 256543.

It is an arithmetic number, because the mean of its divisors is an integer number (393520680).

Almost surely, 2^6621822010 is an apocalyptic number.

6621822010 is a deficient number, since it is larger than the sum of its proper divisors (5970839750).

6621822010 is a wasteful number, since it uses less digits than its factorization.

6621822010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485910.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 6621822010 is about 81374.5784013656. The cubic root of 6621822010 is about 1877.8425161582.

The spelling of 6621822010 in words is "six billion, six hundred twenty-one million, eight hundred twenty-two thousand, ten".