22807699217 has 2 divisors, whose sum is σ = 22807699218. Its totient is φ = 22807699216.

The previous prime is 22807699157. The next prime is 22807699247. The reversal of 22807699217 is 71299670822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14066197201 + 8741502016 = 118601^2 + 93496^2 .

It is a cyclic number.

It is not a de Polignac number, because 22807699217 - 2¹² = 22807695121 is a prime.

It is a super-2 number, since 2×22807699217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22807699247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403849608 + 11403849609.

It is an arithmetic number, because the mean of its divisors is an integer number (11403849609).

Almost surely, 2^22807699217 is an apocalyptic number.

It is an amenable number.

22807699217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22807699217 is an equidigital number, since it uses as much as digits as its factorization.

22807699217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 22807699217 in words is "twenty-two billion, eight hundred seven million, six hundred ninety-nine thousand, two hundred seventeen".