4255622001805 has 8 divisors (see below), whose sum is σ = 5157308248344. Its totient is φ = 3370789704000.

The previous prime is 4255622001793. The next prime is 4255622001823. The reversal of 4255622001805 is 5081002265524.

It can be written as a sum of positive squares in 4 ways, for example, as 1205195578596 + 3050426423209 = 1097814^2 + 1746547^2 .

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

It is not a de Polignac number, because 4255622001805 - 2⁵ = 4255622001773 is a prime.

It is a super-2 number, since 2×4255622001805² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 4213486626 + ... + 4213487635.

It is an arithmetic number, because the mean of its divisors is an integer number (644663531043).

Almost surely, 2^{4255622001805} is an apocalyptic number.

It is an amenable number.

4255622001805 is a deficient number, since it is larger than the sum of its proper divisors (901686246539).

4255622001805 is a wasteful number, since it uses less digits than its factorization.

4255622001805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426974367.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 4255622001805 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-two million, one thousand, eight hundred five".