22142423117 has 2 divisors, whose sum is σ = 22142423118. Its totient is φ = 22142423116.

The previous prime is 22142423077. The next prime is 22142423137. The reversal of 22142423117 is 71132424122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19809436516 + 2332986601 = 140746^2 + 48301^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142423117 - 2¹⁴ = 22142406733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22142423117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142423137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071211558 + 11071211559.

It is an arithmetic number, because the mean of its divisors is an integer number (11071211559).

Almost surely, 2^22142423117 is an apocalyptic number.

It is an amenable number.

22142423117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142423117 is an equidigital number, since it uses as much as digits as its factorization.

22142423117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

Adding to 22142423117 its reverse (71132424122), we get a palindrome (93274847239).

The spelling of 22142423117 in words is "twenty-two billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred seventeen".