22540353243 has 16 divisors (see below), whose sum is σ = 30711233280. Its totient is φ = 14701703904.

The previous prime is 22540353229. The next prime is 22540353247. The reversal of 22540353243 is 34235304522.

It is not a de Polignac number, because 22540353243 - 2²⁹ = 22003482331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540353247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413788 + ... + 465081.

It is an arithmetic number, because the mean of its divisors is an integer number (1919452080).

Almost surely, 2^22540353243 is an apocalyptic number.

22540353243 is a deficient number, since it is larger than the sum of its proper divisors (8170880037).

22540353243 is a wasteful number, since it uses less digits than its factorization.

22540353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879058.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 22540353243 its reverse (34235304522), we get a palindrome (56775657765).

The spelling of 22540353243 in words is "twenty-two billion, five hundred forty million, three hundred fifty-three thousand, two hundred forty-three".