4243422245 has 16 divisors (see below), whose sum is σ = 5306171760. Its totient is φ = 3253737984.

The previous prime is 4243422233. The next prime is 4243422251. The reversal of 4243422245 is 5422243424.

It can be written as a sum of positive squares in 8 ways, for example, as 498227041 + 3745195204 = 22321^2 + 61198^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243422245 - 2⁸ = 4243421989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86942 + ... + 126671.

It is an arithmetic number, because the mean of its divisors is an integer number (331635735).

Almost surely, 2^4243422245 is an apocalyptic number.

It is an amenable number.

4243422245 is a deficient number, since it is larger than the sum of its proper divisors (1062749515).

4243422245 is a wasteful number, since it uses less digits than its factorization.

4243422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213784.

The product of its digits is 61440, while the sum is 32.

The square root of 4243422245 is about 65141.5554389055. Note that the first 3 decimals coincide. The cubic root of 4243422245 is about 1618.9698074724.

Adding to 4243422245 its reverse (5422243424), we get a palindrome (9665665669).

The spelling of 4243422245 in words is "four billion, two hundred forty-three million, four hundred twenty-two thousand, two hundred forty-five".