22553340145 has 16 divisors (see below), whose sum is σ = 31354001280. Its totient is φ = 15253294464.

The previous prime is 22553340143. The next prime is 22553340191. The reversal of 22553340145 is 54104335522.

It is a cyclic number.

It is not a de Polignac number, because 22553340145 - 2¹ = 22553340143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22553340145.

It is not an unprimeable number, because it can be changed into a prime (22553340143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411015 + ... + 4416124.

It is an arithmetic number, because the mean of its divisors is an integer number (1959625080).

Almost surely, 2^22553340145 is an apocalyptic number.

It is an amenable number.

22553340145 is a deficient number, since it is larger than the sum of its proper divisors (8800661135).

22553340145 is an equidigital number, since it uses as much as digits as its factorization.

22553340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827224.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 22553340145 its reverse (54104335522), we get a palindrome (76657675667).

The spelling of 22553340145 in words is "twenty-two billion, five hundred fifty-three million, three hundred forty thousand, one hundred forty-five".