22464542005 has 4 divisors (see below), whose sum is σ = 26957450412. Its totient is φ = 17971633600.

The previous prime is 22464542003. The next prime is 22464542011. The reversal of 22464542005 is 50024546422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3952762641 + 18511779364 = 62871^2 + 136058^2 .

It is not a de Polignac number, because 22464542005 - 2¹ = 22464542003 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 (22464542003) 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, 2246454196 + ... + 2246454205.

It is an arithmetic number, because the mean of its divisors is an integer number (6739362603).

Almost surely, 2^22464542005 is an apocalyptic number.

It is an amenable number.

22464542005 is a deficient number, since it is larger than the sum of its proper divisors (4492908407).

22464542005 is an equidigital number, since it uses as much as digits as its factorization.

22464542005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492908406.

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 22464542005 in words is "twenty-two billion, four hundred sixty-four million, five hundred forty-two thousand, five".