22304405145 has 16 divisors (see below), whose sum is σ = 38931325632. Its totient is φ = 10814256960.

The previous prime is 22304405143. The next prime is 22304405173. The reversal of 22304405145 is 54150440322.

It is not a de Polignac number, because 22304405145 - 2¹ = 22304405143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22304405143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67588942 + ... + 67589271.

It is an arithmetic number, because the mean of its divisors is an integer number (2433207852).

Almost surely, 2^22304405145 is an apocalyptic number.

It is an amenable number.

22304405145 is a deficient number, since it is larger than the sum of its proper divisors (16626920487).

22304405145 is a wasteful number, since it uses less digits than its factorization.

22304405145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135178232.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22304405145 its reverse (54150440322), we get a palindrome (76454845467).

The spelling of 22304405145 in words is "twenty-two billion, three hundred four million, four hundred five thousand, one hundred forty-five".