4222345 has 4 divisors (see below), whose sum is σ = 5066820. Its totient is φ = 3377872.

The previous prime is 4222343. The next prime is 4222367. The reversal of 4222345 is 5432224.

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 906304 + 3316041 = 952^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222345 - 2¹ = 4222343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4222343) 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, 422230 + ... + 422239.

It is an arithmetic number, because the mean of its divisors is an integer number (1266705).

Almost surely, 2^4222345 is an apocalyptic number.

It is an amenable number.

4222345 is a deficient number, since it is larger than the sum of its proper divisors (844475).

4222345 is an equidigital number, since it uses as much as digits as its factorization.

4222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844474.

The product of its digits is 1920, while the sum is 22.

The square root of 4222345 is about 2054.8345432175. The cubic root of 4222345 is about 161.6284861597.

Adding to 4222345 its reverse (5432224), we get a palindrome (9654569).

The spelling of 4222345 in words is "four million, two hundred twenty-two thousand, three hundred forty-five".