4422610421 has 2 divisors, whose sum is σ = 4422610422. Its totient is φ = 4422610420.

The previous prime is 4422610397. The next prime is 4422610483. The reversal of 4422610421 is 1240162244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4412280625 + 10329796 = 66425^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 4422610421 - 2³⁰ = 3348868597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4422613421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211305210 + 2211305211.

It is an arithmetic number, because the mean of its divisors is an integer number (2211305211).

Almost surely, 2^4422610421 is an apocalyptic number.

It is an amenable number.

4422610421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422610421 is an equidigital number, since it uses as much as digits as its factorization.

4422610421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4422610421 is about 66502.7098771170. The cubic root of 4422610421 is about 1641.4445953123. Note that the first 3 decimals are identical.

Adding to 4422610421 its reverse (1240162244), we get a palindrome (5662772665).

The spelling of 4422610421 in words is "four billion, four hundred twenty-two million, six hundred ten thousand, four hundred twenty-one".