2221679473627 has 2 divisors, whose sum is σ = 2221679473628. Its totient is φ = 2221679473626.

The previous prime is 2221679473619. The next prime is 2221679473681. The reversal of 2221679473627 is 7263749761222.

2221679473627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221679473627 - 2³ = 2221679473619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221679473687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110839736813 + 1110839736814.

It is an arithmetic number, because the mean of its divisors is an integer number (1110839736814).

Almost surely, 2^{2221679473627} is an apocalyptic number.

2221679473627 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221679473627 is an equidigital number, since it uses as much as digits as its factorization.

2221679473627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 58.

The spelling of 2221679473627 in words is "two trillion, two hundred twenty-one billion, six hundred seventy-nine million, four hundred seventy-three thousand, six hundred twenty-seven".