22155303345 has 16 divisors (see below), whose sum is σ = 40512554880. Its totient is φ = 10128138624.

The previous prime is 22155303341. The next prime is 22155303367. The reversal of 22155303345 is 54330355122.

It is not a de Polignac number, because 22155303345 - 2² = 22155303341 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 105501340 + ... + 105501549.

It is an arithmetic number, because the mean of its divisors is an integer number (2532034680).

Almost surely, 2^22155303345 is an apocalyptic number.

It is an amenable number.

22155303345 is a deficient number, since it is larger than the sum of its proper divisors (18357251535).

22155303345 is a wasteful number, since it uses less digits than its factorization.

22155303345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211002904.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 22155303345 its reverse (54330355122), we get a palindrome (76485658467).

The spelling of 22155303345 in words is "twenty-two billion, one hundred fifty-five million, three hundred three thousand, three hundred forty-five".