22004440132545 has 48 divisors (see below), whose sum is σ = 41301888565392. Its totient is φ = 10773104509440.

The previous prime is 22004440132511. The next prime is 22004440132573. The reversal of 22004440132545 is 54523104440022.

22004440132545 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 44 + 40 + 1 + 32 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10082142707121 + 11922297425424 = 3175239^2 + 3452868^2 .

It is not a de Polignac number, because 22004440132545 - 2⁷ = 22004440132417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103801374 + ... + 104013143.

It is an arithmetic number, because the mean of its divisors is an integer number (860456011779).

Almost surely, 2^{22004440132545} is an apocalyptic number.

It is an amenable number.

22004440132545 is a deficient number, since it is larger than the sum of its proper divisors (19297448432847).

22004440132545 is a wasteful number, since it uses less digits than its factorization.

22004440132545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207814722 (or 207814719 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 22004440132545 its reverse (54523104440022), we get a palindrome (76527544572567).

The spelling of 22004440132545 in words is "twenty-two trillion, four billion, four hundred forty million, one hundred thirty-two thousand, five hundred forty-five".