22555344345 has 16 divisors (see below), whose sum is σ = 36091003200. Its totient is φ = 12028699584.

The previous prime is 22555344319. The next prime is 22555344347. The reversal of 22555344345 is 54344355522.

It is not a de Polignac number, because 22555344345 - 2¹⁴ = 22555327961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22555344297 and 22555344306.

It is not an unprimeable number, because it can be changed into a prime (22555344347) 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, 225231 + ... + 309579.

It is an arithmetic number, because the mean of its divisors is an integer number (2255687700).

Almost surely, 2^22555344345 is an apocalyptic number.

It is an amenable number.

22555344345 is a deficient number, since it is larger than the sum of its proper divisors (13535658855).

22555344345 is a wasteful number, since it uses less digits than its factorization.

22555344345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102184.

The product of its digits is 1440000, while the sum is 42.

Adding to 22555344345 its reverse (54344355522), we get a palindrome (76899699867).

The spelling of 22555344345 in words is "twenty-two billion, five hundred fifty-five million, three hundred forty-four thousand, three hundred forty-five".