2422422217 has 4 divisors (see below), whose sum is σ = 2422763460. Its totient is φ = 2422080976.

The previous prime is 2422422209. The next prime is 2422422239. The reversal of 2422422217 is 7122242242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2099105856 + 323316361 = 45816^2 + 17981^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422422217 - 2³ = 2422422209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2422423217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159742 + ... + 174247.

It is an arithmetic number, because the mean of its divisors is an integer number (605690865).

Almost surely, 2^2422422217 is an apocalyptic number.

It is an amenable number.

2422422217 is a deficient number, since it is larger than the sum of its proper divisors (341243).

2422422217 is an equidigital number, since it uses as much as digits as its factorization.

2422422217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341242.

The product of its digits is 7168, while the sum is 28.

The square root of 2422422217 is about 49218.1086288370. The cubic root of 2422422217 is about 1343.0224744328.

Adding to 2422422217 its reverse (7122242242), we get a palindrome (9544664459).

The spelling of 2422422217 in words is "two billion, four hundred twenty-two million, four hundred twenty-two thousand, two hundred seventeen".