1822861163801 has 4 divisors (see below), whose sum is σ = 1839897249552. Its totient is φ = 1805825078052.

The previous prime is 1822861163797. The next prime is 1822861163803. The reversal of 1822861163801 is 1083611682281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1822861163801 - 2² = 1822861163797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1822861163803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8518042715 + ... + 8518042928.

It is an arithmetic number, because the mean of its divisors is an integer number (459974312388).

Almost surely, 2^{1822861163801} is an apocalyptic number.

It is an amenable number.

1822861163801 is a deficient number, since it is larger than the sum of its proper divisors (17036085751).

1822861163801 is a wasteful number, since it uses less digits than its factorization.

1822861163801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036085750.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 1822861163801 in words is "one trillion, eight hundred twenty-two billion, eight hundred sixty-one million, one hundred sixty-three thousand, eight hundred one".