4222517 has 4 divisors (see below), whose sum is σ = 4547340. Its totient is φ = 3897696.

The previous prime is 4222513. The next prime is 4222529. The reversal of 4222517 is 7152224.

It is a happy number.

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 1745041 + 2477476 = 1321^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222517 - 2² = 4222513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4222492 and 4222501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222513) 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, 162392 + ... + 162417.

It is an arithmetic number, because the mean of its divisors is an integer number (1136835).

Almost surely, 2^4222517 is an apocalyptic number.

It is an amenable number.

4222517 is a deficient number, since it is larger than the sum of its proper divisors (324823).

4222517 is a wasteful number, since it uses less digits than its factorization.

4222517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324822.

The product of its digits is 1120, while the sum is 23.

The square root of 4222517 is about 2054.8763953095. The cubic root of 4222517 is about 161.6306808108.

The spelling of 4222517 in words is "four million, two hundred twenty-two thousand, five hundred seventeen".