22961009143 has 4 divisors (see below), whose sum is σ = 23303710840. Its totient is φ = 22618307448.

The previous prime is 22961009131. The next prime is 22961009153. The reversal of 22961009143 is 34190016922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22961009143 - 2¹⁷ = 22960878071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961009153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171350748 + ... + 171350881.

It is an arithmetic number, because the mean of its divisors is an integer number (5825927710).

Almost surely, 2^22961009143 is an apocalyptic number.

22961009143 is a deficient number, since it is larger than the sum of its proper divisors (342701697).

22961009143 is an equidigital number, since it uses as much as digits as its factorization.

22961009143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342701696.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 22961009143 in words is "twenty-two billion, nine hundred sixty-one million, nine thousand, one hundred forty-three".