22045626545 has 8 divisors (see below), whose sum is σ = 26485626024. Its totient is φ = 17615918464.

The previous prime is 22045626539. The next prime is 22045626583. The reversal of 22045626545 is 54562654022.

It can be written as a sum of positive squares in 4 ways, for example, as 4181432896 + 17864193649 = 64664^2 + 133657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22045626545 - 2⁴ = 22045626529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568134 + ... + 2576703.

It is an arithmetic number, because the mean of its divisors is an integer number (3310703253).

Almost surely, 2^22045626545 is an apocalyptic number.

It is an amenable number.

22045626545 is a deficient number, since it is larger than the sum of its proper divisors (4439999479).

22045626545 is an equidigital number, since it uses as much as digits as its factorization.

22045626545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145699.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 22045626545 in words is "twenty-two billion, forty-five million, six hundred twenty-six thousand, five hundred forty-five".