22544043435545 has 8 divisors (see below), whose sum is σ = 27053113764096. Its totient is φ = 18035060320816.

The previous prime is 22544043435541. The next prime is 22544043435553. The reversal of 22544043435545 is 54553434044522.

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 22544043435545 - 2² = 22544043435541 is a prime.

It is a super-3 number, since 3×22544043435545³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22544043435493 and 22544043435502.

It is not an unprimeable number, because it can be changed into a prime (22544043435541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21233417 + ... + 22269846.

It is an arithmetic number, because the mean of its divisors is an integer number (3381639220512).

Almost surely, 2^{22544043435545} is an apocalyptic number.

It is an amenable number.

22544043435545 is a deficient number, since it is larger than the sum of its proper divisors (4509070328551).

22544043435545 is a wasteful number, since it uses less digits than its factorization.

22544043435545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43606911.

The product of its (nonzero) digits is 23040000, while the sum is 50.

The spelling of 22544043435545 in words is "twenty-two trillion, five hundred forty-four billion, forty-three million, four hundred thirty-five thousand, five hundred forty-five".