22261316515 has 8 divisors (see below), whose sum is σ = 27151507728. Its totient is φ = 17517101280.

The previous prime is 22261316501. The next prime is 22261316531. The reversal of 22261316515 is 51561316222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22261316515 - 2¹³ = 22261308323 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36493657 + ... + 36494266.

It is an arithmetic number, because the mean of its divisors is an integer number (3393938466).

Almost surely, 2^22261316515 is an apocalyptic number.

22261316515 is a deficient number, since it is larger than the sum of its proper divisors (4890191213).

22261316515 is an equidigital number, since it uses as much as digits as its factorization.

22261316515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72987989.

The product of its digits is 21600, while the sum is 34.

The spelling of 22261316515 in words is "twenty-two billion, two hundred sixty-one million, three hundred sixteen thousand, five hundred fifteen".