22006341561 has 4 divisors (see below), whose sum is σ = 29341788752. Its totient is φ = 14670894372.

The previous prime is 22006341547. The next prime is 22006341587. The reversal of 22006341561 is 16514360022.

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 not a de Polignac number, because 22006341561 - 2²⁶ = 21939232697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22006341521) 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, 3667723591 + ... + 3667723596.

It is an arithmetic number, because the mean of its divisors is an integer number (7335447188).

Almost surely, 2^22006341561 is an apocalyptic number.

It is an amenable number.

22006341561 is a deficient number, since it is larger than the sum of its proper divisors (7335447191).

22006341561 is an equidigital number, since it uses as much as digits as its factorization.

22006341561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335447190.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 22006341561 in words is "twenty-two billion, six million, three hundred forty-one thousand, five hundred sixty-one".