22251403315 has 4 divisors (see below), whose sum is σ = 26701683984. Its totient is φ = 17801122648.

The previous prime is 22251403289. The next prime is 22251403327. The reversal of 22251403315 is 51330415222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22251403315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2225140327 + ... + 2225140336.

It is an arithmetic number, because the mean of its divisors is an integer number (6675420996).

Almost surely, 2^22251403315 is an apocalyptic number.

22251403315 is a deficient number, since it is larger than the sum of its proper divisors (4450280669).

22251403315 is an equidigital number, since it uses as much as digits as its factorization.

22251403315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450280668.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22251403315 its reverse (51330415222), we get a palindrome (73581818537).

The spelling of 22251403315 in words is "twenty-two billion, two hundred fifty-one million, four hundred three thousand, three hundred fifteen".