22145040604 has 12 divisors (see below), whose sum is σ = 38829961800. Its totient is φ = 11050765808.

The previous prime is 22145040601. The next prime is 22145040649. The reversal of 22145040604 is 40604054122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145040601) 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 3 ways as a sum of consecutive naturals, for example, 5436334 + ... + 5440405.

It is an arithmetic number, because the mean of its divisors is an integer number (3235830150).

Almost surely, 2^22145040604 is an apocalyptic number.

It is an amenable number.

22145040604 is a deficient number, since it is larger than the sum of its proper divisors (16684921196).

22145040604 is a wasteful number, since it uses less digits than its factorization.

22145040604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877252 (or 10877250 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 22145040604 its reverse (40604054122), we get a palindrome (62749094726).

The spelling of 22145040604 in words is "twenty-two billion, one hundred forty-five million, forty thousand, six hundred four".