22540241345 has 8 divisors (see below), whose sum is σ = 27296439720. Its totient is φ = 17866759680.

The previous prime is 22540241257. The next prime is 22540241363. The reversal of 22540241345 is 54314204522.

It can be written as a sum of positive squares in 4 ways, for example, as 1088538049 + 21451703296 = 32993^2 + 146464^2 .

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

It is not a de Polignac number, because 22540241345 - 2²⁶ = 22473132481 is a prime.

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, 20678576 + ... + 20679665.

It is an arithmetic number, because the mean of its divisors is an integer number (3412054965).

Almost surely, 2^22540241345 is an apocalyptic number.

It is an amenable number.

22540241345 is a deficient number, since it is larger than the sum of its proper divisors (4756198375).

22540241345 is a wasteful number, since it uses less digits than its factorization.

22540241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41358355.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 22540241345 its reverse (54314204522), we get a palindrome (76854445867).

The spelling of 22540241345 in words is "twenty-two billion, five hundred forty million, two hundred forty-one thousand, three hundred forty-five".