22540353244 has 48 divisors (see below), whose sum is σ = 42830907840. Its totient is φ = 10340126720.

The previous prime is 22540353229. The next prime is 22540353247. The reversal of 22540353244 is 44235304522.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 403464 + ... + 455920.

It is an arithmetic number, because the mean of its divisors is an integer number (892310580).

Almost surely, 2^22540353244 is an apocalyptic number.

It is an amenable number.

22540353244 is a deficient number, since it is larger than the sum of its proper divisors (20290554596).

22540353244 is a wasteful number, since it uses less digits than its factorization.

22540353244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52638 (or 52636 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 22540353244 its reverse (44235304522), we get a palindrome (66775657766).

The spelling of 22540353244 in words is "twenty-two billion, five hundred forty million, three hundred fifty-three thousand, two hundred forty-four".