22540043355 has 32 divisors (see below), whose sum is σ = 38549952000. Its totient is φ = 11218225920.

The previous prime is 22540043353. The next prime is 22540043371. The reversal of 22540043355 is 55334004522.

It is a happy number.

It is not a de Polignac number, because 22540043355 - 2¹ = 22540043353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540043353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782605 + ... + 810894.

It is an arithmetic number, because the mean of its divisors is an integer number (1204686000).

Almost surely, 2^22540043355 is an apocalyptic number.

22540043355 is a deficient number, since it is larger than the sum of its proper divisors (16009908645).

22540043355 is a wasteful number, since it uses less digits than its factorization.

22540043355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593571.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 22540043355 its reverse (55334004522), we get a palindrome (77874047877).

The spelling of 22540043355 in words is "twenty-two billion, five hundred forty million, forty-three thousand, three hundred fifty-five".