22747506317 has 2 divisors, whose sum is σ = 22747506318. Its totient is φ = 22747506316.

The previous prime is 22747506293. The next prime is 22747506413. The reversal of 22747506317 is 71360574722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21401056681 + 1346449636 = 146291^2 + 36694^2 .

It is a cyclic number.

It is not a de Polignac number, because 22747506317 - 2²² = 22743312013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22747506017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11373753158 + 11373753159.

It is an arithmetic number, because the mean of its divisors is an integer number (11373753159).

Almost surely, 2^22747506317 is an apocalyptic number.

It is an amenable number.

22747506317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22747506317 is an equidigital number, since it uses as much as digits as its factorization.

22747506317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 22747506317 in words is "twenty-two billion, seven hundred forty-seven million, five hundred six thousand, three hundred seventeen".