22713101217 has 10 divisors (see below), whose sum is σ = 33929447618. Its totient is φ = 15142067424.

The previous prime is 22713101183. The next prime is 22713101227. The reversal of 22713101217 is 71210131722.

22713101217 is a `hidden beast` number, since 227 + 1 + 310 + 121 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22001492241 + 711608976 = 148329^2 + 26676^2 .

It is not a de Polignac number, because 22713101217 - 2⁸ = 22713100961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22713101227) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 140204248 + ... + 140204409.

Almost surely, 2^22713101217 is an apocalyptic number.

22713101217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22713101217 is a deficient number, since it is larger than the sum of its proper divisors (11216346401).

22713101217 is an equidigital number, since it uses as much as digits as its factorization.

22713101217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280408669 (or 280408660 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 22713101217 its reverse (71210131722), we get a palindrome (93923232939).

The spelling of 22713101217 in words is "twenty-two billion, seven hundred thirteen million, one hundred one thousand, two hundred seventeen".