4221806255001 has 12 divisors (see below), whose sum is σ = 6098183769600. Its totient is φ = 2814528651480.

The previous prime is 4221806254997. The next prime is 4221806255011. The reversal of 4221806255001 is 1005526081224.

4221806255001 is a `hidden beast` number, since 4 + 2 + 21 + 8 + 0 + 625 + 5 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 4221806255001 - 2² = 4221806254997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221806255011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3667600 + ... + 4679198.

It is an arithmetic number, because the mean of its divisors is an integer number (508181980800).

Almost surely, 2^{4221806255001} is an apocalyptic number.

It is an amenable number.

4221806255001 is a deficient number, since it is larger than the sum of its proper divisors (1876377514599).

4221806255001 is a wasteful number, since it uses less digits than its factorization.

4221806255001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475316 (or 1475313 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 4221806255001 in words is "four trillion, two hundred twenty-one billion, eight hundred six million, two hundred fifty-five thousand, one".