22215505241 has 8 divisors (see below), whose sum is σ = 22344398664. Its totient is φ = 22086973440.

The previous prime is 22215505199. The next prime is 22215505289. The reversal of 22215505241 is 14250551222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 357361216 + 21858144025 = 18904^2 + 147845^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22215505241 - 2¹⁰ = 22215504217 is a prime.

It is a super-2 number, since 2×22215505241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22215205241) 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 7 ways as a sum of consecutive naturals, for example, 33305 + ... + 213401.

It is an arithmetic number, because the mean of its divisors is an integer number (2793049833).

Almost surely, 2^22215505241 is an apocalyptic number.

It is an amenable number.

22215505241 is a deficient number, since it is larger than the sum of its proper divisors (128893423).

22215505241 is a wasteful number, since it uses less digits than its factorization.

22215505241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180811.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 22215505241 in words is "twenty-two billion, two hundred fifteen million, five hundred five thousand, two hundred forty-one".