2194122456801 has 48 divisors (see below), whose sum is σ = 3463275816000. Its totient is φ = 1327514832000.

The previous prime is 2194122456797. The next prime is 2194122456859. The reversal of 2194122456801 is 1086542214912.

2194122456801 is a `hidden beast` number, since 2 + 194 + 1 + 2 + 2 + 456 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 2194122456801 - 2² = 2194122456797 is a prime.

It is a super-2 number, since 2×2194122456801² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2194122456881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220709491 + ... + 220719431.

It is an arithmetic number, because the mean of its divisors is an integer number (72151579500).

Almost surely, 2^{2194122456801} is an apocalyptic number.

It is an amenable number.

2194122456801 is a deficient number, since it is larger than the sum of its proper divisors (1269153359199).

2194122456801 is a wasteful number, since it uses less digits than its factorization.

2194122456801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518 (or 13515 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 2194122456801 in words is "two trillion, one hundred ninety-four billion, one hundred twenty-two million, four hundred fifty-six thousand, eight hundred one".