22075612543 has 4 divisors (see below), whose sum is σ = 23035421808. Its totient is φ = 21115803280.

The previous prime is 22075612519. The next prime is 22075612553. The reversal of 22075612543 is 34521657022.

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 22075612543 - 2²⁵ = 22042058111 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 (22075612553) 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, 479904598 + ... + 479904643.

It is an arithmetic number, because the mean of its divisors is an integer number (5758855452).

Almost surely, 2^22075612543 is an apocalyptic number.

22075612543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22075612543 is a deficient number, since it is larger than the sum of its proper divisors (959809265).

22075612543 is an equidigital number, since it uses as much as digits as its factorization.

22075612543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959809264.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 22075612543 in words is "twenty-two billion, seventy-five million, six hundred twelve thousand, five hundred forty-three".