22154320316 has 24 divisors (see below), whose sum is σ = 40067171424. Its totient is φ = 10711339520.

The previous prime is 22154320313. The next prime is 22154320327. The reversal of 22154320316 is 61302345122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154320313) 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 7 ways as a sum of consecutive naturals, for example, 579200 + ... + 616263.

It is an arithmetic number, because the mean of its divisors is an integer number (1669465476).

Almost surely, 2^22154320316 is an apocalyptic number.

It is an amenable number.

22154320316 is a deficient number, since it is larger than the sum of its proper divisors (17912851108).

22154320316 is a wasteful number, since it uses less digits than its factorization.

22154320316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195621 (or 1195619 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 22154320316 its reverse (61302345122), we get a palindrome (83456665438).

The spelling of 22154320316 in words is "twenty-two billion, one hundred fifty-four million, three hundred twenty thousand, three hundred sixteen".