7422345217 has 6 divisors (see below), whose sum is σ = 8634156738. Its totient is φ = 6362010144.

The previous prime is 7422345191. The next prime is 7422345313. The reversal of 7422345217 is 7125432247.

It can be written as a sum of positive squares in only one way, i.e., 4598060481 + 2824284736 = 67809^2 + 53144^2 .

It is not a de Polignac number, because 7422345217 - 2¹⁹ = 7421820929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7422325217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75738168 + ... + 75738265.

It is an arithmetic number, because the mean of its divisors is an integer number (1439026123).

It is a Proth number, since it is equal to 14157 ⋅ 2¹⁹ + 1 and 14157 < 2¹⁹.

Almost surely, 2^7422345217 is an apocalyptic number.

It is an amenable number.

7422345217 is a deficient number, since it is larger than the sum of its proper divisors (1211811521).

7422345217 is a wasteful number, since it uses less digits than its factorization.

7422345217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151476447 (or 151476440 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 7422345217 is about 86153.0337074673. The cubic root of 7422345217 is about 1950.6546315797.

The spelling of 7422345217 in words is "seven billion, four hundred twenty-two million, three hundred forty-five thousand, two hundred seventeen".