100628222005 has 16 divisors (see below), whose sum is σ = 121077231984. Its totient is φ = 80287119360.

The previous prime is 100628222003. The next prime is 100628222027. The reversal of 100628222005 is 500222826001.

It can be written as a sum of positive squares in 8 ways, for example, as 3579150276 + 97049071729 = 59826^2 + 311527^2 .

It is not a de Polignac number, because 100628222005 - 2¹ = 100628222003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100628222003) 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, 10842427 + ... + 10851703.

It is an arithmetic number, because the mean of its divisors is an integer number (7567326999).

Almost surely, 2^100628222005 is an apocalyptic number.

It is an amenable number.

100628222005 is a deficient number, since it is larger than the sum of its proper divisors (20449009979).

100628222005 is an equidigital number, since it uses as much as digits as its factorization.

100628222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 100628222005 in words is "one hundred billion, six hundred twenty-eight million, two hundred twenty-two thousand, five".