23222422217 has 2 divisors, whose sum is σ = 23222422218. Its totient is φ = 23222422216.

The previous prime is 23222422189. The next prime is 23222422247. The reversal of 23222422217 is 71222422232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13752018361 + 9470403856 = 117269^2 + 97316^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222422217 - 2²² = 23218227913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23222422217.

It is not a weakly prime, because it can be changed into another prime (23222422247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611211108 + 11611211109.

It is an arithmetic number, because the mean of its divisors is an integer number (11611211109).

Almost surely, 2^23222422217 is an apocalyptic number.

It is an amenable number.

23222422217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222422217 is an equidigital number, since it uses as much as digits as its factorization.

23222422217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

Adding to 23222422217 its reverse (71222422232), we get a palindrome (94444844449).

The spelling of 23222422217 in words is "twenty-three billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred seventeen".