22155303344 has 40 divisors (see below), whose sum is σ = 43691050320. Its totient is φ = 10880517888.

The previous prime is 22155303341. The next prime is 22155303367. The reversal of 22155303344 is 44330355122.

It is a self number, because there is not a number n which added to its sum of digits gives 22155303344.

It is not an unprimeable number, because it can be changed into a prime (22155303341) 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, 1158242 + ... + 1177214.

It is an arithmetic number, because the mean of its divisors is an integer number (1092276258).

Almost surely, 2^22155303344 is an apocalyptic number.

It is an amenable number.

22155303344 is a deficient number, since it is larger than the sum of its proper divisors (21535746976).

22155303344 is a wasteful number, since it uses less digits than its factorization.

22155303344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277 (or 20271 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22155303344 its reverse (44330355122), we get a palindrome (66485658466).

The spelling of 22155303344 in words is "twenty-two billion, one hundred fifty-five million, three hundred three thousand, three hundred forty-four".