2221667441705 has 8 divisors (see below), whose sum is σ = 2666310011712. Its totient is φ = 1777127898928.

The previous prime is 2221667441687. The next prime is 2221667441729. The reversal of 2221667441705 is 5071447661222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221667441705 - 2¹² = 2221667437609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221667441705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25709357 + ... + 25795626.

It is an arithmetic number, because the mean of its divisors is an integer number (333288751464).

Almost surely, 2^{2221667441705} is an apocalyptic number.

It is an amenable number.

2221667441705 is a deficient number, since it is larger than the sum of its proper divisors (444642570007).

2221667441705 is an equidigital number, since it uses as much as digits as its factorization.

2221667441705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51513615.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 2221667441705 in words is "two trillion, two hundred twenty-one billion, six hundred sixty-seven million, four hundred forty-one thousand, seven hundred five".