22045142312 has 16 divisors (see below), whose sum is σ = 43510149600. Its totient is φ = 10442435760.

The previous prime is 22045142311. The next prime is 22045142341. The reversal of 22045142312 is 21324154022.

It is not an unprimeable number, because it can be changed into a prime (22045142311) 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, 72516764 + ... + 72517067.

It is an arithmetic number, because the mean of its divisors is an integer number (2719384350).

Almost surely, 2^22045142312 is an apocalyptic number.

It is an amenable number.

22045142312 is a deficient number, since it is larger than the sum of its proper divisors (21465007288).

22045142312 is a wasteful number, since it uses less digits than its factorization.

22045142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145033856 (or 145033852 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22045142312 its reverse (21324154022), we get a palindrome (43369296334).

The spelling of 22045142312 in words is "twenty-two billion, forty-five million, one hundred forty-two thousand, three hundred twelve".