22323215505 has 16 divisors (see below), whose sum is σ = 35731373184. Its totient is φ = 11900972160.

The previous prime is 22323215471. The next prime is 22323215527. The reversal of 22323215505 is 50551232322.

It is not a de Polignac number, because 22323215505 - 2³⁰ = 21249473681 is a prime.

It is a super-3 number, since 3×22323215505³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257349 + ... + 332978.

It is an arithmetic number, because the mean of its divisors is an integer number (2233210824).

Almost surely, 2^22323215505 is an apocalyptic number.

It is an amenable number.

22323215505 is a deficient number, since it is larger than the sum of its proper divisors (13408157679).

22323215505 is a wasteful number, since it uses less digits than its factorization.

22323215505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592856.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 22323215505 its reverse (50551232322), we get a palindrome (72874447827).

The spelling of 22323215505 in words is "twenty-two billion, three hundred twenty-three million, two hundred fifteen thousand, five hundred five".